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Sourcecode: mailutils version File versions

mh_alias_lex.c

/* A lexical scanner generated by flex */

/* Scanner skeleton version:
 * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern Exp $
 */

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5

#include <stdio.h>


/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif


#ifdef __cplusplus

#include <stdlib.h>
#include <unistd.h>

/* Use prototypes in function declarations. */
#define YY_USE_PROTOS

/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST

#else /* ! __cplusplus */

#if __STDC__

#define YY_USE_PROTOS
#define YY_USE_CONST

#endif      /* __STDC__ */
#endif      /* ! __cplusplus */

#ifdef __TURBOC__
 #pragma warn -rch
 #pragma warn -use
#include <io.h>
#include <stdlib.h>
#define YY_USE_CONST
#define YY_USE_PROTOS
#endif

#ifdef YY_USE_CONST
#define ali_yyconst const
#else
#define ali_yyconst
#endif


#ifdef YY_USE_PROTOS
#define YY_PROTO(proto) proto
#else
#define YY_PROTO(proto) ()
#endif

/* Returned upon end-of-file. */
#define YY_NULL 0

/* Promotes a possibly negative, possibly signed char to an unsigned
 * integer for use as an array index.  If the signed char is negative,
 * we want to instead treat it as an 8-bit unsigned char, hence the
 * double cast.
 */
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)

/* Enter a start condition.  This macro really ought to take a parameter,
 * but we do it the disgusting crufty way forced on us by the ()-less
 * definition of BEGIN.
 */
#define BEGIN ali_yy_start = 1 + 2 *

/* Translate the current start state into a value that can be later handed
 * to BEGIN to return to the state.  The YYSTATE alias is for lex
 * compatibility.
 */
#define YY_START ((ali_yy_start - 1) / 2)
#define YYSTATE YY_START

/* Action number for EOF rule of a given start state. */
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)

/* Special action meaning "start processing a new file". */
#define YY_NEW_FILE ali_yyrestart( ali_yyin )

#define YY_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */
#define YY_BUF_SIZE 16384

typedef struct ali_yy_buffer_state *YY_BUFFER_STATE;

extern int ali_yyleng;
extern FILE *ali_yyin, *ali_yyout;

#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2

/* The funky do-while in the following #define is used to turn the definition
 * int a single C statement (which needs a semi-colon terminator).  This
 * avoids problems with code like:
 *
 *    if ( condition_holds )
 *          ali_yyless( 5 );
 *    else
 *          do_something_else();
 *
 * Prior to using the do-while the compiler would get upset at the
 * "else" because it interpreted the "if" statement as being all
 * done when it reached the ';' after the ali_yyless() call.
 */

/* Return all but the first 'n' matched characters back to the input stream. */

#define ali_yyless(n) \
      do \
            { \
            /* Undo effects of setting up ali_yytext. */ \
            *ali_yy_cp = ali_yy_hold_char; \
            YY_RESTORE_YY_MORE_OFFSET \
            ali_yy_c_buf_p = ali_yy_cp = ali_yy_bp + n - YY_MORE_ADJ; \
            YY_DO_BEFORE_ACTION; /* set up ali_yytext again */ \
            } \
      while ( 0 )

#define unput(c) ali_yyunput( c, ali_yytext_ptr )

/* The following is because we cannot portably get our hands on size_t
 * (without autoconf's help, which isn't available because we want
 * flex-generated scanners to compile on their own).
 */
typedef unsigned int ali_yy_size_t;


struct ali_yy_buffer_state
      {
      FILE *ali_yy_input_file;

      char *ali_yy_ch_buf;          /* input buffer */
      char *ali_yy_buf_pos;         /* current position in input buffer */

      /* Size of input buffer in bytes, not including room for EOB
       * characters.
       */
      ali_yy_size_t ali_yy_buf_size;

      /* Number of characters read into ali_yy_ch_buf, not including EOB
       * characters.
       */
      int ali_yy_n_chars;

      /* Whether we "own" the buffer - i.e., we know we created it,
       * and can realloc() it to grow it, and should free() it to
       * delete it.
       */
      int ali_yy_is_our_buffer;

      /* Whether this is an "interactive" input source; if so, and
       * if we're using stdio for input, then we want to use getc()
       * instead of fread(), to make sure we stop fetching input after
       * each newline.
       */
      int ali_yy_is_interactive;

      /* Whether we're considered to be at the beginning of a line.
       * If so, '^' rules will be active on the next match, otherwise
       * not.
       */
      int ali_yy_at_bol;

      /* Whether to try to fill the input buffer when we reach the
       * end of it.
       */
      int ali_yy_fill_buffer;

      int ali_yy_buffer_status;
#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
      /* When an EOF's been seen but there's still some text to process
       * then we mark the buffer as YY_EOF_PENDING, to indicate that we
       * shouldn't try reading from the input source any more.  We might
       * still have a bunch of tokens to match, though, because of
       * possible backing-up.
       *
       * When we actually see the EOF, we change the status to "new"
       * (via ali_yyrestart()), so that the user can continue scanning by
       * just pointing ali_yyin at a new input file.
       */
#define YY_BUFFER_EOF_PENDING 2
      };

static YY_BUFFER_STATE ali_yy_current_buffer = 0;

/* We provide macros for accessing buffer states in case in the
 * future we want to put the buffer states in a more general
 * "scanner state".
 */
#define YY_CURRENT_BUFFER ali_yy_current_buffer


/* ali_yy_hold_char holds the character lost when ali_yytext is formed. */
static char ali_yy_hold_char;

static int ali_yy_n_chars;          /* number of characters read into ali_yy_ch_buf */


int ali_yyleng;

/* Points to current character in buffer. */
static char *ali_yy_c_buf_p = (char *) 0;
static int ali_yy_init = 1;         /* whether we need to initialize */
static int ali_yy_start = 0;  /* start state number */

/* Flag which is used to allow ali_yywrap()'s to do buffer switches
 * instead of setting up a fresh ali_yyin.  A bit of a hack ...
 */
static int ali_yy_did_buffer_switch_on_eof;

void ali_yyrestart YY_PROTO(( FILE *input_file ));

void ali_yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
void ali_yy_load_buffer_state YY_PROTO(( void ));
YY_BUFFER_STATE ali_yy_create_buffer YY_PROTO(( FILE *file, int size ));
void ali_yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
void ali_yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
void ali_yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
#define YY_FLUSH_BUFFER ali_yy_flush_buffer( ali_yy_current_buffer )

YY_BUFFER_STATE ali_yy_scan_buffer YY_PROTO(( char *base, ali_yy_size_t size ));
YY_BUFFER_STATE ali_yy_scan_string YY_PROTO(( ali_yyconst char *ali_yy_str ));
YY_BUFFER_STATE ali_yy_scan_bytes YY_PROTO(( ali_yyconst char *bytes, int len ));

static void *ali_yy_flex_alloc YY_PROTO(( ali_yy_size_t ));
static void *ali_yy_flex_realloc YY_PROTO(( void *, ali_yy_size_t ));
static void ali_yy_flex_free YY_PROTO(( void * ));

#define ali_yy_new_buffer ali_yy_create_buffer

#define ali_yy_set_interactive(is_interactive) \
      { \
      if ( ! ali_yy_current_buffer ) \
            ali_yy_current_buffer = ali_yy_create_buffer( ali_yyin, YY_BUF_SIZE ); \
      ali_yy_current_buffer->ali_yy_is_interactive = is_interactive; \
      }

#define ali_yy_set_bol(at_bol) \
      { \
      if ( ! ali_yy_current_buffer ) \
            ali_yy_current_buffer = ali_yy_create_buffer( ali_yyin, YY_BUF_SIZE ); \
      ali_yy_current_buffer->ali_yy_at_bol = at_bol; \
      }

#define YY_AT_BOL() (ali_yy_current_buffer->ali_yy_at_bol)

typedef unsigned char YY_CHAR;
FILE *ali_yyin = (FILE *) 0, *ali_yyout = (FILE *) 0;
typedef int ali_yy_state_type;
extern char *ali_yytext;
#define ali_yytext_ptr ali_yytext

static ali_yy_state_type ali_yy_get_previous_state YY_PROTO(( void ));
static ali_yy_state_type ali_yy_try_NUL_trans YY_PROTO(( ali_yy_state_type current_state ));
static int ali_yy_get_next_buffer YY_PROTO(( void ));
static void ali_yy_fatal_error YY_PROTO(( ali_yyconst char msg[] ));

/* Done after the current pattern has been matched and before the
 * corresponding action - sets up ali_yytext.
 */
#define YY_DO_BEFORE_ACTION \
      ali_yytext_ptr = ali_yy_bp; \
      ali_yyleng = (int) (ali_yy_cp - ali_yy_bp); \
      ali_yy_hold_char = *ali_yy_cp; \
      *ali_yy_cp = '\0'; \
      ali_yy_c_buf_p = ali_yy_cp;

#define YY_NUM_RULES 11
#define YY_END_OF_BUFFER 12
static ali_yyconst short int ali_yy_accept[43] =
    {   0,
        0,    0,    0,    0,   12,    6,    5,    2,    8,   10,
        6,    6,    5,    8,   10,    6,    6,    9,    6,    6,
        9,    6,    6,    5,    1,    6,    4,    0,    5,    0,
        0,    0,    3,    7,    0,    6,    9,    6,    4,    7,
        9,    0
    } ;

static ali_yyconst int ali_yy_ec[256] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    2,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    4,    5,    6,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    5,    7,    8,
        5,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    9,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1
    } ;

static ali_yyconst int ali_yy_meta[10] =
    {   0,
        1,    2,    3,    4,    5,    3,    5,    5,    1
    } ;

static ali_yyconst short int ali_yy_base[49] =
    {   0,
        0,    9,   18,   27,   49,    0,   40,  104,  104,  104,
       38,   36,   36,   36,   32,   43,   47,    0,   56,   65,
       74,   30,    0,   30,  104,   27,  104,   26,    0,   26,
       23,   21,  104,   21,    0,   19,    0,    0,    0,   19,
        0,  104,   19,   83,   87,   92,   94,   99
    } ;

static ali_yyconst short int ali_yy_def[49] =
    {   0,
       42,   42,    1,    2,   42,   43,   42,   42,   42,   42,
       43,   44,   42,   45,   46,   44,   47,   47,   47,   47,
       47,   20,   43,   42,   42,   44,   42,   48,   13,   45,
       46,   45,   42,   46,   31,   19,   47,   20,   47,   21,
       21,    0,   42,   42,   42,   42,   42,   42
    } ;

static ali_yyconst short int ali_yy_nxt[114] =
    {   0,
        6,    7,    8,    9,    9,    9,    9,   10,   11,   12,
       13,    8,    9,    9,    9,   14,   15,   16,   17,   23,
       37,   42,   42,   33,   35,   18,   19,   20,   33,   27,
       27,   24,   25,   35,   21,   22,   28,   29,   33,   27,
       25,   24,   30,   31,   28,   25,   27,   36,   42,   42,
       42,   42,   42,   42,   42,   36,   36,   42,   25,   42,
       42,   42,   42,   42,   36,   38,   42,   42,   39,   42,
       42,   42,   42,   38,   40,   41,   42,   42,   42,   42,
       42,   42,   40,   26,   42,   42,   26,   32,   32,   32,
       32,   32,   34,   34,   37,   37,   42,   37,   37,   28,

       42,   42,   28,    5,   42,   42,   42,   42,   42,   42,
       42,   42,   42
    } ;

static ali_yyconst short int ali_yy_chk[114] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    3,   43,
       40,   36,   34,   32,   31,    3,    3,    4,   30,   28,
       26,   24,   22,   15,    4,    4,   13,   13,   14,   12,
       11,    7,   13,   13,   13,   16,   16,   17,    5,    0,
        0,    0,    0,    0,    0,   17,   19,    0,   19,    0,
        0,    0,    0,    0,   19,   20,    0,    0,   20,    0,
        0,    0,    0,   20,   21,   21,    0,    0,    0,    0,
        0,    0,   21,   44,    0,    0,   44,   45,   45,   45,
       45,   45,   46,   46,   47,   47,    0,   47,   47,   48,

        0,    0,   48,   42,   42,   42,   42,   42,   42,   42,
       42,   42,   42
    } ;

static ali_yy_state_type ali_yy_last_accepting_state;
static char *ali_yy_last_accepting_cpos;

/* The intent behind this definition is that it'll catch
 * any uses of REJECT which flex missed.
 */
#define REJECT reject_used_but_not_detected
#define ali_yymore() ali_yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
char *ali_yytext;
#line 1 "mh_alias.l"
#define INITIAL 0
#line 2 "mh_alias.l"
/* GNU Mailutils -- a suite of utilities for electronic mail
   Copyright (C) 2003 Free Software Foundation, Inc.

   GNU Mailutils is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   GNU Mailutils is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GNU Mailutils; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA  */

#include <mh.h>
#include <mh_alias.h>
#include <sys/stat.h>
#include <ctype.h>

#ifndef isblank
# define isblank(c) ((c)==' ' || (c)=='\t')
#endif  
  
char *ali_filename;  
size_t ali_line_num;  
ino_t ali_source_inode;

void
va_ali_parse_error_loc (char *name, size_t line, char *fmt, va_list ap)
{
  char *buf;

  vasprintf (&buf, fmt, ap);
  if (name)
    mh_error ("%s:%lu: %s", name, (unsigned long) line,  buf);
  else
    mh_error ("%s", buf);
  free (buf);
}

void
ali_parse_error_loc (char *name, size_t line, char *fmt, ...)
{
  va_list ap;

  va_start (ap, fmt);
  va_ali_parse_error_loc (name, line, fmt, ap);
  va_end (ap);
}

void
ali_parse_error (char *fmt, ...)
{
  va_list ap;

  va_start (ap, fmt);
  va_ali_parse_error_loc (ali_filename, ali_line_num, fmt, ap);
  va_end (ap);
}

int
ali_yyerror (char *s)
{
  ali_parse_error ("%s", s);
  return 0;
}
 
#ifdef FLEX_SCANNER
#define xinput() (ali_yyin ? getc(ali_yyin) : EOF)
#undef YY_INPUT
#define YY_INPUT(buf,result,max_size)  do { \
        int i;                                  \
        for (i = 0; i < max_size; i++) {        \
                int ch = xinput();              \
                if (ch == EOF)                  \
                        break;                  \
                buf[i] = ch;                    \
        }                                       \
        result = i;                             \
} while (0) 
#define LEX_BUFFER_STATE YY_BUFFER_STATE
#define SET_BUFFER_STATE(s) do { \
        (s) = YY_CURRENT_BUFFER; \
        ali_yy_switch_to_buffer(ali_yy_create_buffer(ali_yyin, YY_BUF_SIZE)); \
} while (0)
#define RESTORE_BUFFER_STATE(s) do { \
        ali_yy_delete_buffer(YY_CURRENT_BUFFER); \
        ali_yy_switch_to_buffer(s); \
} while (0)

#else
/* AT&T Lex */
                                               
static void lex_set_buffer __P((FILE *fp));
static void lex_delete_buffer __P((LEX_BUFFER_STATE buf));
static int xinput __P((void)); 
static int xunput __P((void));
        
#undef unput
#define unput(c) xunput(c)
#undef input
#define input() xinput()

#define LEX_BUF_SIZE 16384
#define LEX_PUTBACK_SIZE 32
                                               
typedef struct {
  FILE *ali_yyin;
  char *buffer;
  size_t bufsize;
  size_t level;
  char *ptr;
  char *putback;
  size_t pb_size;
  size_t pb_level;
} LEX_BUFFER_STATE;
LEX_BUFFER_STATE current_buffer;
 
#define SET_BUFFER_STATE(s) do { \
        (s) = current_buffer;    \
        lex_set_buffer(ali_yyin);    \
} while (0)
#define RESTORE_BUFFER_STATE(s) do { \
        lex_delete_buffer(current_buffer); \
        current_buffer = (s); \
        ali_yyin = current_buffer.ali_yyin;  \
} while (0)
                                    
void
lex_set_buffer (FILE *fp)
{
  char *buf;
  size_t size;
        
  for (size = LEX_BUF_SIZE; size > 1; size /= 2)
    if (buf = malloc (size))
      break;
  
  if (!buf)
    {
      ali_parse_error (_("not enough memory"));
      abort ();
    }

  current_buffer.ali_yyin = ali_yyin;
  current_buffer.buffer = buf;
  current_buffer.bufsize = size;
  current_buffer.level = 0;
  current_buffer.ptr = current_buffer.buffer;
  current_buffer.pb_size = current_buffer.pb_level = 0;
  current_buffer.putback = NULL;
}
                
void
lex_delete_buffer (LEX_BUFFER_STATE buf)
{
  free (buf.buffer);
  if (buf.putback)
    free (buf.putback);
}

int
xinput ()
{
  if (!ali_yyin)
    return EOF;
  
  if (current_buffer.pb_level) 
    return current_buffer.putback[--current_buffer.pb_level];

  if (current_buffer.level <= 0)
    {
      int n;

      if (feof (ali_yyin))
      return 0;
      n = fread (current_buffer.buffer, 1,
             current_buffer.bufsize, ali_yyin);
      if (n <= 0)
      return 0;
      current_buffer.level = n;
      current_buffer.ptr = current_buffer.buffer;
    }
  current_buffer.level--;
  return *current_buffer.ptr++;
}

int
xunput (int c)
{
  if (current_buffer.pb_level == current_buffer.pb_size)
    {
      char *putback;
      current_buffer.pb_size += LEX_PUTBACK_SIZE;
      putback = xmalloc (current_buffer.pb_size);
      memcpy (putback, current_buffer.putback,
            current_buffer.pb_level);
      free (current_buffer.putback);
      current_buffer.putback = putback;
    }
  current_buffer.putback[current_buffer.pb_level++] = c;
  return c;
}
                
#endif                                         

struct buffer_ctx {
  struct buffer_ctx *prev;
  char *filename;
  int line;
  ino_t i_node;
  FILE *ali_yyin;
  LEX_BUFFER_STATE state;
};

static struct buffer_ctx *context_stack;

static struct buffer_ctx *
ctx_lookup (ino_t ino)
{
  struct buffer_ctx *ctx;

  for (ctx = context_stack; ctx; ctx = ctx->prev)
    if (ctx->i_node == ino)
      break;
  return ctx;
}
        
static int
push_source (const char *name, int fail)
{
  FILE *fp;
  struct buffer_ctx *ctx;
  struct stat st;
  char *filename;

  filename = mh_expand_name (NULL, name, 0);
  if (stat (filename, &st))
    {
      if (fail)
      ali_parse_error (_("can't stat `%s': %s"), filename, strerror (errno));
      free (filename);
      return 1;
    }

  if (ali_filename && st.st_ino == ali_source_inode)
    {
      ali_parse_error (_("recursive inclusion"));
      free (filename);
      return 1;
    }
  if (ctx = ctx_lookup (st.st_ino))
    {
      ali_parse_error (_("recursive inclusion"));
      if (ctx->prev)
      ali_parse_error_loc (ctx->prev->filename, ctx->prev->line,
                             _("`%s' already included here"),
                             filename);
      else
      ali_parse_error (_("`%s' already included at top level"),
                   filename);
      free (filename);
      return 1;
    }
                
  fp = fopen (filename, "r");
  if (!fp)
    {
      ali_parse_error (_("can't open `%s': %s"), filename, strerror (errno));
      free (filename);
      return 1;
    }
  
  /* Push current context */
  if (ali_filename)
    {
      ctx = xmalloc (sizeof (*ctx));
      ctx->filename = ali_filename;
      ctx->line = ali_line_num;
      ctx->i_node = ali_source_inode;
      ctx->ali_yyin = ali_yyin;
      ctx->prev = context_stack;
      context_stack = ctx;
      
      /* Switch to the new context */
      ali_yyin = fp;
      SET_BUFFER_STATE (ctx->state);
    }
  else
    {
#ifdef FLEX_SCANNER
      ali_yyrestart (fp);
#else           
      ali_yyin = fp;
      lex_set_buffer (ali_yyin);
#endif
    }
  ali_filename = filename;
  ali_line_num = 1;
  ali_source_inode = st.st_ino;
  return 0;
}

static int
pop_source ()
{
  struct buffer_ctx *ctx;

  if (ali_yyin)
    fclose (ali_yyin);
#ifndef FLEX_SCANNER
  lex_delete_buffer (current_buffer);
#endif
  if (ali_filename)
    free (ali_filename);
  ali_filename = NULL;
  if (!context_stack)
    {
      ali_yyin = NULL;
      return 1;
    }
  /* Restore previous context */
  ali_filename = context_stack->filename;
  ali_line_num = context_stack->line + 1; /* < line did not increment it */
  ali_source_inode = context_stack->i_node;
  RESTORE_BUFFER_STATE (context_stack->state);
  ctx = context_stack->prev;
  free (context_stack);
  context_stack = ctx;
  return 0;
}

extern int ali_yyparse __P((void));

#define VERBATIM 1

#line 739 "lex.ali_yy.c"

/* Macros after this point can all be overridden by user definitions in
 * section 1.
 */

#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int ali_yywrap YY_PROTO(( void ));
#else
extern int ali_yywrap YY_PROTO(( void ));
#endif
#endif

#ifndef YY_NO_UNPUT
static void ali_yyunput YY_PROTO(( int c, char *buf_ptr ));
#endif

#ifndef ali_yytext_ptr
static void ali_yy_flex_strncpy YY_PROTO(( char *, ali_yyconst char *, int ));
#endif

#ifdef YY_NEED_STRLEN
static int ali_yy_flex_strlen YY_PROTO(( ali_yyconst char * ));
#endif

#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int ali_yyinput YY_PROTO(( void ));
#else
static int input YY_PROTO(( void ));
#endif
#endif

#if YY_STACK_USED
static int ali_yy_start_stack_ptr = 0;
static int ali_yy_start_stack_depth = 0;
static int *ali_yy_start_stack = 0;
#ifndef YY_NO_PUSH_STATE
static void ali_yy_push_state YY_PROTO(( int new_state ));
#endif
#ifndef YY_NO_POP_STATE
static void ali_yy_pop_state YY_PROTO(( void ));
#endif
#ifndef YY_NO_TOP_STATE
static int ali_yy_top_state YY_PROTO(( void ));
#endif

#else
#define YY_NO_PUSH_STATE 1
#define YY_NO_POP_STATE 1
#define YY_NO_TOP_STATE 1
#endif

#ifdef YY_MALLOC_DECL
YY_MALLOC_DECL
#else
#if __STDC__
#ifndef __cplusplus
#include <stdlib.h>
#endif
#else
/* Just try to get by without declaring the routines.  This will fail
 * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
 * or sizeof(void*) != sizeof(int).
 */
#endif
#endif

/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 8192
#endif

/* Copy whatever the last rule matched to the standard output. */

#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
 * we now use fwrite().
 */
#define ECHO (void) fwrite( ali_yytext, ali_yyleng, 1, ali_yyout )
#endif

/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 * is returned in "result".
 */
#ifndef YY_INPUT
#define YY_INPUT(buf,result,max_size) \
      if ( ali_yy_current_buffer->ali_yy_is_interactive ) \
            { \
            int c = '*', n; \
            for ( n = 0; n < max_size && \
                       (c = getc( ali_yyin )) != EOF && c != '\n'; ++n ) \
                  buf[n] = (char) c; \
            if ( c == '\n' ) \
                  buf[n++] = (char) c; \
            if ( c == EOF && ferror( ali_yyin ) ) \
                  YY_FATAL_ERROR( "input in flex scanner failed" ); \
            result = n; \
            } \
      else if ( ((result = fread( buf, 1, max_size, ali_yyin )) == 0) \
              && ferror( ali_yyin ) ) \
            YY_FATAL_ERROR( "input in flex scanner failed" );
#endif

/* No semi-colon after return; correct usage is to write "ali_yyterminate();" -
 * we don't want an extra ';' after the "return" because that will cause
 * some compilers to complain about unreachable statements.
 */
#ifndef ali_yyterminate
#define ali_yyterminate() return YY_NULL
#endif

/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif

/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) ali_yy_fatal_error( msg )
#endif

/* Default declaration of generated scanner - a define so the user can
 * easily add parameters.
 */
#ifndef YY_DECL
#define YY_DECL int ali_yylex YY_PROTO(( void ))
#endif

/* Code executed at the beginning of each rule, after ali_yytext and ali_yyleng
 * have been set up.
 */
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif

/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK break;
#endif

#define YY_RULE_SETUP \
      if ( ali_yyleng > 0 ) \
            ali_yy_current_buffer->ali_yy_at_bol = \
                        (ali_yytext[ali_yyleng - 1] == '\n'); \
      YY_USER_ACTION

YY_DECL
      {
      register ali_yy_state_type ali_yy_current_state;
      register char *ali_yy_cp, *ali_yy_bp;
      register int ali_yy_act;

#line 344 "mh_alias.l"

#line 895 "lex.ali_yy.c"

      if ( ali_yy_init )
            {
            ali_yy_init = 0;

#ifdef YY_USER_INIT
            YY_USER_INIT;
#endif

            if ( ! ali_yy_start )
                  ali_yy_start = 1; /* first start state */

            if ( ! ali_yyin )
                  ali_yyin = stdin;

            if ( ! ali_yyout )
                  ali_yyout = stdout;

            if ( ! ali_yy_current_buffer )
                  ali_yy_current_buffer =
                        ali_yy_create_buffer( ali_yyin, YY_BUF_SIZE );

            ali_yy_load_buffer_state();
            }

      while ( 1 )       /* loops until end-of-file is reached */
            {
            ali_yy_cp = ali_yy_c_buf_p;

            /* Support of ali_yytext. */
            *ali_yy_cp = ali_yy_hold_char;

            /* ali_yy_bp points to the position in ali_yy_ch_buf of the start of
             * the current run.
             */
            ali_yy_bp = ali_yy_cp;

            ali_yy_current_state = ali_yy_start;
            ali_yy_current_state += YY_AT_BOL();
ali_yy_match:
            do
                  {
                  register YY_CHAR ali_yy_c = ali_yy_ec[YY_SC_TO_UI(*ali_yy_cp)];
                  if ( ali_yy_accept[ali_yy_current_state] )
                        {
                        ali_yy_last_accepting_state = ali_yy_current_state;
                        ali_yy_last_accepting_cpos = ali_yy_cp;
                        }
                  while ( ali_yy_chk[ali_yy_base[ali_yy_current_state] + ali_yy_c] != ali_yy_current_state )
                        {
                        ali_yy_current_state = (int) ali_yy_def[ali_yy_current_state];
                        if ( ali_yy_current_state >= 43 )
                              ali_yy_c = ali_yy_meta[(unsigned int) ali_yy_c];
                        }
                  ali_yy_current_state = ali_yy_nxt[ali_yy_base[ali_yy_current_state] + (unsigned int) ali_yy_c];
                  ++ali_yy_cp;
                  }
            while ( ali_yy_base[ali_yy_current_state] != 104 );

ali_yy_find_action:
            ali_yy_act = ali_yy_accept[ali_yy_current_state];
            if ( ali_yy_act == 0 )
                  { /* have to back up */
                  ali_yy_cp = ali_yy_last_accepting_cpos;
                  ali_yy_current_state = ali_yy_last_accepting_state;
                  ali_yy_act = ali_yy_accept[ali_yy_current_state];
                  }

            YY_DO_BEFORE_ACTION;


do_action:  /* This label is used only to access EOF actions. */


            switch ( ali_yy_act )
      { /* beginning of action switch */
                  case 0: /* must back up */
                  /* undo the effects of YY_DO_BEFORE_ACTION */
                  *ali_yy_cp = ali_yy_hold_char;
                  ali_yy_cp = ali_yy_last_accepting_cpos;
                  ali_yy_current_state = ali_yy_last_accepting_state;
                  goto ali_yy_find_action;

case 1:
YY_RULE_SETUP
#line 345 "mh_alias.l"
{ ali_line_num++; }
      YY_BREAK
case 2:
YY_RULE_SETUP
#line 346 "mh_alias.l"
{ ali_line_num++; return '\n';}
      YY_BREAK
case 3:
YY_RULE_SETUP
#line 347 "mh_alias.l"
ali_line_num++; 
      YY_BREAK
case 4:
YY_RULE_SETUP
#line 348 "mh_alias.l"
{ char *p;
                   for (p = ali_yytext; p < ali_yytext + ali_yyleng; p++)
                 if (!isspace (*p))
                   break;
               ali_yylval.string = strdup (p);
               return STRING;}
      YY_BREAK
case 5:
YY_RULE_SETUP
#line 354 "mh_alias.l"
;
      YY_BREAK
case 6:
YY_RULE_SETUP
#line 355 "mh_alias.l"
{ ali_yylval.string = strdup (ali_yytext); return STRING;}
      YY_BREAK
case 7:
YY_RULE_SETUP
#line 356 "mh_alias.l"
{
                 char *p;
                 for (p = ali_yytext; p < ali_yytext + ali_yyleng && isblank(*p); p++)
               ;
                 for (p++; p < ali_yytext + ali_yyleng; p++)
               if (!isspace (*p))
                 break;
                 push_source (p, 1); }
      YY_BREAK
case 8:
YY_RULE_SETUP
#line 364 "mh_alias.l"
return ali_yytext[0];
      YY_BREAK
case 9:
YY_RULE_SETUP
#line 365 "mh_alias.l"
{
                    ali_yylval.string = xmalloc (ali_yyleng + 1);
                memcpy(ali_yylval.string, ali_yytext, ali_yyleng);
                ali_yylval.string[ali_yyleng] = 0;
                return STRING;}
      YY_BREAK
case 10:
YY_RULE_SETUP
#line 370 "mh_alias.l"
{ char *p;
                 asprintf (&p,
                     _("Stray character %03o in alias file"), ali_yytext[0]);
                 ali_yyerror (p);
             free (p); }
      YY_BREAK
case 11:
YY_RULE_SETUP
#line 375 "mh_alias.l"
ECHO;
      YY_BREAK
#line 1054 "lex.ali_yy.c"
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(VERBATIM):
      ali_yyterminate();

      case YY_END_OF_BUFFER:
            {
            /* Amount of text matched not including the EOB char. */
            int ali_yy_amount_of_matched_text = (int) (ali_yy_cp - ali_yytext_ptr) - 1;

            /* Undo the effects of YY_DO_BEFORE_ACTION. */
            *ali_yy_cp = ali_yy_hold_char;
            YY_RESTORE_YY_MORE_OFFSET

            if ( ali_yy_current_buffer->ali_yy_buffer_status == YY_BUFFER_NEW )
                  {
                  /* We're scanning a new file or input source.  It's
                   * possible that this happened because the user
                   * just pointed ali_yyin at a new source and called
                   * ali_yylex().  If so, then we have to assure
                   * consistency between ali_yy_current_buffer and our
                   * globals.  Here is the right place to do so, because
                   * this is the first action (other than possibly a
                   * back-up) that will match for the new input source.
                   */
                  ali_yy_n_chars = ali_yy_current_buffer->ali_yy_n_chars;
                  ali_yy_current_buffer->ali_yy_input_file = ali_yyin;
                  ali_yy_current_buffer->ali_yy_buffer_status = YY_BUFFER_NORMAL;
                  }

            /* Note that here we test for ali_yy_c_buf_p "<=" to the position
             * of the first EOB in the buffer, since ali_yy_c_buf_p will
             * already have been incremented past the NUL character
             * (since all states make transitions on EOB to the
             * end-of-buffer state).  Contrast this with the test
             * in input().
             */
            if ( ali_yy_c_buf_p <= &ali_yy_current_buffer->ali_yy_ch_buf[ali_yy_n_chars] )
                  { /* This was really a NUL. */
                  ali_yy_state_type ali_yy_next_state;

                  ali_yy_c_buf_p = ali_yytext_ptr + ali_yy_amount_of_matched_text;

                  ali_yy_current_state = ali_yy_get_previous_state();

                  /* Okay, we're now positioned to make the NUL
                   * transition.  We couldn't have
                   * ali_yy_get_previous_state() go ahead and do it
                   * for us because it doesn't know how to deal
                   * with the possibility of jamming (and we don't
                   * want to build jamming into it because then it
                   * will run more slowly).
                   */

                  ali_yy_next_state = ali_yy_try_NUL_trans( ali_yy_current_state );

                  ali_yy_bp = ali_yytext_ptr + YY_MORE_ADJ;

                  if ( ali_yy_next_state )
                        {
                        /* Consume the NUL. */
                        ali_yy_cp = ++ali_yy_c_buf_p;
                        ali_yy_current_state = ali_yy_next_state;
                        goto ali_yy_match;
                        }

                  else
                        {
                        ali_yy_cp = ali_yy_c_buf_p;
                        goto ali_yy_find_action;
                        }
                  }

            else switch ( ali_yy_get_next_buffer() )
                  {
                  case EOB_ACT_END_OF_FILE:
                        {
                        ali_yy_did_buffer_switch_on_eof = 0;

                        if ( ali_yywrap() )
                              {
                              /* Note: because we've taken care in
                               * ali_yy_get_next_buffer() to have set up
                               * ali_yytext, we can now set up
                               * ali_yy_c_buf_p so that if some total
                               * hoser (like flex itself) wants to
                               * call the scanner after we return the
                               * YY_NULL, it'll still work - another
                               * YY_NULL will get returned.
                               */
                              ali_yy_c_buf_p = ali_yytext_ptr + YY_MORE_ADJ;

                              ali_yy_act = YY_STATE_EOF(YY_START);
                              goto do_action;
                              }

                        else
                              {
                              if ( ! ali_yy_did_buffer_switch_on_eof )
                                    YY_NEW_FILE;
                              }
                        break;
                        }

                  case EOB_ACT_CONTINUE_SCAN:
                        ali_yy_c_buf_p =
                              ali_yytext_ptr + ali_yy_amount_of_matched_text;

                        ali_yy_current_state = ali_yy_get_previous_state();

                        ali_yy_cp = ali_yy_c_buf_p;
                        ali_yy_bp = ali_yytext_ptr + YY_MORE_ADJ;
                        goto ali_yy_match;

                  case EOB_ACT_LAST_MATCH:
                        ali_yy_c_buf_p =
                        &ali_yy_current_buffer->ali_yy_ch_buf[ali_yy_n_chars];

                        ali_yy_current_state = ali_yy_get_previous_state();

                        ali_yy_cp = ali_yy_c_buf_p;
                        ali_yy_bp = ali_yytext_ptr + YY_MORE_ADJ;
                        goto ali_yy_find_action;
                  }
            break;
            }

      default:
            YY_FATAL_ERROR(
                  "fatal flex scanner internal error--no action found" );
      } /* end of action switch */
            } /* end of scanning one token */
      } /* end of ali_yylex */


/* ali_yy_get_next_buffer - try to read in a new buffer
 *
 * Returns a code representing an action:
 *    EOB_ACT_LAST_MATCH -
 *    EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 *    EOB_ACT_END_OF_FILE - end of file
 */

static int ali_yy_get_next_buffer()
      {
      register char *dest = ali_yy_current_buffer->ali_yy_ch_buf;
      register char *source = ali_yytext_ptr;
      register int number_to_move, i;
      int ret_val;

      if ( ali_yy_c_buf_p > &ali_yy_current_buffer->ali_yy_ch_buf[ali_yy_n_chars + 1] )
            YY_FATAL_ERROR(
            "fatal flex scanner internal error--end of buffer missed" );

      if ( ali_yy_current_buffer->ali_yy_fill_buffer == 0 )
            { /* Don't try to fill the buffer, so this is an EOF. */
            if ( ali_yy_c_buf_p - ali_yytext_ptr - YY_MORE_ADJ == 1 )
                  {
                  /* We matched a single character, the EOB, so
                   * treat this as a final EOF.
                   */
                  return EOB_ACT_END_OF_FILE;
                  }

            else
                  {
                  /* We matched some text prior to the EOB, first
                   * process it.
                   */
                  return EOB_ACT_LAST_MATCH;
                  }
            }

      /* Try to read more data. */

      /* First move last chars to start of buffer. */
      number_to_move = (int) (ali_yy_c_buf_p - ali_yytext_ptr) - 1;

      for ( i = 0; i < number_to_move; ++i )
            *(dest++) = *(source++);

      if ( ali_yy_current_buffer->ali_yy_buffer_status == YY_BUFFER_EOF_PENDING )
            /* don't do the read, it's not guaranteed to return an EOF,
             * just force an EOF
             */
            ali_yy_current_buffer->ali_yy_n_chars = ali_yy_n_chars = 0;

      else
            {
            int num_to_read =
                  ali_yy_current_buffer->ali_yy_buf_size - number_to_move - 1;

            while ( num_to_read <= 0 )
                  { /* Not enough room in the buffer - grow it. */
#ifdef YY_USES_REJECT
                  YY_FATAL_ERROR(
"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
#else

                  /* just a shorter name for the current buffer */
                  YY_BUFFER_STATE b = ali_yy_current_buffer;

                  int ali_yy_c_buf_p_offset =
                        (int) (ali_yy_c_buf_p - b->ali_yy_ch_buf);

                  if ( b->ali_yy_is_our_buffer )
                        {
                        int new_size = b->ali_yy_buf_size * 2;

                        if ( new_size <= 0 )
                              b->ali_yy_buf_size += b->ali_yy_buf_size / 8;
                        else
                              b->ali_yy_buf_size *= 2;

                        b->ali_yy_ch_buf = (char *)
                              /* Include room in for 2 EOB chars. */
                              ali_yy_flex_realloc( (void *) b->ali_yy_ch_buf,
                                           b->ali_yy_buf_size + 2 );
                        }
                  else
                        /* Can't grow it, we don't own it. */
                        b->ali_yy_ch_buf = 0;

                  if ( ! b->ali_yy_ch_buf )
                        YY_FATAL_ERROR(
                        "fatal error - scanner input buffer overflow" );

                  ali_yy_c_buf_p = &b->ali_yy_ch_buf[ali_yy_c_buf_p_offset];

                  num_to_read = ali_yy_current_buffer->ali_yy_buf_size -
                                    number_to_move - 1;
#endif
                  }

            if ( num_to_read > YY_READ_BUF_SIZE )
                  num_to_read = YY_READ_BUF_SIZE;

            /* Read in more data. */
            YY_INPUT( (&ali_yy_current_buffer->ali_yy_ch_buf[number_to_move]),
                  ali_yy_n_chars, num_to_read );

            ali_yy_current_buffer->ali_yy_n_chars = ali_yy_n_chars;
            }

      if ( ali_yy_n_chars == 0 )
            {
            if ( number_to_move == YY_MORE_ADJ )
                  {
                  ret_val = EOB_ACT_END_OF_FILE;
                  ali_yyrestart( ali_yyin );
                  }

            else
                  {
                  ret_val = EOB_ACT_LAST_MATCH;
                  ali_yy_current_buffer->ali_yy_buffer_status =
                        YY_BUFFER_EOF_PENDING;
                  }
            }

      else
            ret_val = EOB_ACT_CONTINUE_SCAN;

      ali_yy_n_chars += number_to_move;
      ali_yy_current_buffer->ali_yy_ch_buf[ali_yy_n_chars] = YY_END_OF_BUFFER_CHAR;
      ali_yy_current_buffer->ali_yy_ch_buf[ali_yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;

      ali_yytext_ptr = &ali_yy_current_buffer->ali_yy_ch_buf[0];

      return ret_val;
      }


/* ali_yy_get_previous_state - get the state just before the EOB char was reached */

static ali_yy_state_type ali_yy_get_previous_state()
      {
      register ali_yy_state_type ali_yy_current_state;
      register char *ali_yy_cp;

      ali_yy_current_state = ali_yy_start;
      ali_yy_current_state += YY_AT_BOL();

      for ( ali_yy_cp = ali_yytext_ptr + YY_MORE_ADJ; ali_yy_cp < ali_yy_c_buf_p; ++ali_yy_cp )
            {
            register YY_CHAR ali_yy_c = (*ali_yy_cp ? ali_yy_ec[YY_SC_TO_UI(*ali_yy_cp)] : 1);
            if ( ali_yy_accept[ali_yy_current_state] )
                  {
                  ali_yy_last_accepting_state = ali_yy_current_state;
                  ali_yy_last_accepting_cpos = ali_yy_cp;
                  }
            while ( ali_yy_chk[ali_yy_base[ali_yy_current_state] + ali_yy_c] != ali_yy_current_state )
                  {
                  ali_yy_current_state = (int) ali_yy_def[ali_yy_current_state];
                  if ( ali_yy_current_state >= 43 )
                        ali_yy_c = ali_yy_meta[(unsigned int) ali_yy_c];
                  }
            ali_yy_current_state = ali_yy_nxt[ali_yy_base[ali_yy_current_state] + (unsigned int) ali_yy_c];
            }

      return ali_yy_current_state;
      }


/* ali_yy_try_NUL_trans - try to make a transition on the NUL character
 *
 * synopsis
 *    next_state = ali_yy_try_NUL_trans( current_state );
 */

#ifdef YY_USE_PROTOS
static ali_yy_state_type ali_yy_try_NUL_trans( ali_yy_state_type ali_yy_current_state )
#else
static ali_yy_state_type ali_yy_try_NUL_trans( ali_yy_current_state )
ali_yy_state_type ali_yy_current_state;
#endif
      {
      register int ali_yy_is_jam;
      register char *ali_yy_cp = ali_yy_c_buf_p;

      register YY_CHAR ali_yy_c = 1;
      if ( ali_yy_accept[ali_yy_current_state] )
            {
            ali_yy_last_accepting_state = ali_yy_current_state;
            ali_yy_last_accepting_cpos = ali_yy_cp;
            }
      while ( ali_yy_chk[ali_yy_base[ali_yy_current_state] + ali_yy_c] != ali_yy_current_state )
            {
            ali_yy_current_state = (int) ali_yy_def[ali_yy_current_state];
            if ( ali_yy_current_state >= 43 )
                  ali_yy_c = ali_yy_meta[(unsigned int) ali_yy_c];
            }
      ali_yy_current_state = ali_yy_nxt[ali_yy_base[ali_yy_current_state] + (unsigned int) ali_yy_c];
      ali_yy_is_jam = (ali_yy_current_state == 42);

      return ali_yy_is_jam ? 0 : ali_yy_current_state;
      }


#ifndef YY_NO_UNPUT
#ifdef YY_USE_PROTOS
static void ali_yyunput( int c, register char *ali_yy_bp )
#else
static void ali_yyunput( c, ali_yy_bp )
int c;
register char *ali_yy_bp;
#endif
      {
      register char *ali_yy_cp = ali_yy_c_buf_p;

      /* undo effects of setting up ali_yytext */
      *ali_yy_cp = ali_yy_hold_char;

      if ( ali_yy_cp < ali_yy_current_buffer->ali_yy_ch_buf + 2 )
            { /* need to shift things up to make room */
            /* +2 for EOB chars. */
            register int number_to_move = ali_yy_n_chars + 2;
            register char *dest = &ali_yy_current_buffer->ali_yy_ch_buf[
                              ali_yy_current_buffer->ali_yy_buf_size + 2];
            register char *source =
                        &ali_yy_current_buffer->ali_yy_ch_buf[number_to_move];

            while ( source > ali_yy_current_buffer->ali_yy_ch_buf )
                  *--dest = *--source;

            ali_yy_cp += (int) (dest - source);
            ali_yy_bp += (int) (dest - source);
            ali_yy_current_buffer->ali_yy_n_chars =
                  ali_yy_n_chars = ali_yy_current_buffer->ali_yy_buf_size;

            if ( ali_yy_cp < ali_yy_current_buffer->ali_yy_ch_buf + 2 )
                  YY_FATAL_ERROR( "flex scanner push-back overflow" );
            }

      *--ali_yy_cp = (char) c;


      ali_yytext_ptr = ali_yy_bp;
      ali_yy_hold_char = *ali_yy_cp;
      ali_yy_c_buf_p = ali_yy_cp;
      }
#endif      /* ifndef YY_NO_UNPUT */


#ifdef __cplusplus
static int ali_yyinput()
#else
static int input()
#endif
      {
      int c;

      *ali_yy_c_buf_p = ali_yy_hold_char;

      if ( *ali_yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
            {
            /* ali_yy_c_buf_p now points to the character we want to return.
             * If this occurs *before* the EOB characters, then it's a
             * valid NUL; if not, then we've hit the end of the buffer.
             */
            if ( ali_yy_c_buf_p < &ali_yy_current_buffer->ali_yy_ch_buf[ali_yy_n_chars] )
                  /* This was really a NUL. */
                  *ali_yy_c_buf_p = '\0';

            else
                  { /* need more input */
                  int offset = ali_yy_c_buf_p - ali_yytext_ptr;
                  ++ali_yy_c_buf_p;

                  switch ( ali_yy_get_next_buffer() )
                        {
                        case EOB_ACT_LAST_MATCH:
                              /* This happens because ali_yy_g_n_b()
                               * sees that we've accumulated a
                               * token and flags that we need to
                               * try matching the token before
                               * proceeding.  But for input(),
                               * there's no matching to consider.
                               * So convert the EOB_ACT_LAST_MATCH
                               * to EOB_ACT_END_OF_FILE.
                               */

                              /* Reset buffer status. */
                              ali_yyrestart( ali_yyin );

                              /* fall through */

                        case EOB_ACT_END_OF_FILE:
                              {
                              if ( ali_yywrap() )
                                    return EOF;

                              if ( ! ali_yy_did_buffer_switch_on_eof )
                                    YY_NEW_FILE;
#ifdef __cplusplus
                              return ali_yyinput();
#else
                              return input();
#endif
                              }

                        case EOB_ACT_CONTINUE_SCAN:
                              ali_yy_c_buf_p = ali_yytext_ptr + offset;
                              break;
                        }
                  }
            }

      c = *(unsigned char *) ali_yy_c_buf_p;    /* cast for 8-bit char's */
      *ali_yy_c_buf_p = '\0'; /* preserve ali_yytext */
      ali_yy_hold_char = *++ali_yy_c_buf_p;

      ali_yy_current_buffer->ali_yy_at_bol = (c == '\n');

      return c;
      }


#ifdef YY_USE_PROTOS
void ali_yyrestart( FILE *input_file )
#else
void ali_yyrestart( input_file )
FILE *input_file;
#endif
      {
      if ( ! ali_yy_current_buffer )
            ali_yy_current_buffer = ali_yy_create_buffer( ali_yyin, YY_BUF_SIZE );

      ali_yy_init_buffer( ali_yy_current_buffer, input_file );
      ali_yy_load_buffer_state();
      }


#ifdef YY_USE_PROTOS
void ali_yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
#else
void ali_yy_switch_to_buffer( new_buffer )
YY_BUFFER_STATE new_buffer;
#endif
      {
      if ( ali_yy_current_buffer == new_buffer )
            return;

      if ( ali_yy_current_buffer )
            {
            /* Flush out information for old buffer. */
            *ali_yy_c_buf_p = ali_yy_hold_char;
            ali_yy_current_buffer->ali_yy_buf_pos = ali_yy_c_buf_p;
            ali_yy_current_buffer->ali_yy_n_chars = ali_yy_n_chars;
            }

      ali_yy_current_buffer = new_buffer;
      ali_yy_load_buffer_state();

      /* We don't actually know whether we did this switch during
       * EOF (ali_yywrap()) processing, but the only time this flag
       * is looked at is after ali_yywrap() is called, so it's safe
       * to go ahead and always set it.
       */
      ali_yy_did_buffer_switch_on_eof = 1;
      }


#ifdef YY_USE_PROTOS
void ali_yy_load_buffer_state( void )
#else
void ali_yy_load_buffer_state()
#endif
      {
      ali_yy_n_chars = ali_yy_current_buffer->ali_yy_n_chars;
      ali_yytext_ptr = ali_yy_c_buf_p = ali_yy_current_buffer->ali_yy_buf_pos;
      ali_yyin = ali_yy_current_buffer->ali_yy_input_file;
      ali_yy_hold_char = *ali_yy_c_buf_p;
      }


#ifdef YY_USE_PROTOS
YY_BUFFER_STATE ali_yy_create_buffer( FILE *file, int size )
#else
YY_BUFFER_STATE ali_yy_create_buffer( file, size )
FILE *file;
int size;
#endif
      {
      YY_BUFFER_STATE b;

      b = (YY_BUFFER_STATE) ali_yy_flex_alloc( sizeof( struct ali_yy_buffer_state ) );
      if ( ! b )
            YY_FATAL_ERROR( "out of dynamic memory in ali_yy_create_buffer()" );

      b->ali_yy_buf_size = size;

      /* ali_yy_ch_buf has to be 2 characters longer than the size given because
       * we need to put in 2 end-of-buffer characters.
       */
      b->ali_yy_ch_buf = (char *) ali_yy_flex_alloc( b->ali_yy_buf_size + 2 );
      if ( ! b->ali_yy_ch_buf )
            YY_FATAL_ERROR( "out of dynamic memory in ali_yy_create_buffer()" );

      b->ali_yy_is_our_buffer = 1;

      ali_yy_init_buffer( b, file );

      return b;
      }


#ifdef YY_USE_PROTOS
void ali_yy_delete_buffer( YY_BUFFER_STATE b )
#else
void ali_yy_delete_buffer( b )
YY_BUFFER_STATE b;
#endif
      {
      if ( ! b )
            return;

      if ( b == ali_yy_current_buffer )
            ali_yy_current_buffer = (YY_BUFFER_STATE) 0;

      if ( b->ali_yy_is_our_buffer )
            ali_yy_flex_free( (void *) b->ali_yy_ch_buf );

      ali_yy_flex_free( (void *) b );
      }


#ifndef YY_ALWAYS_INTERACTIVE
#ifndef YY_NEVER_INTERACTIVE
extern int isatty YY_PROTO(( int ));
#endif
#endif

#ifdef YY_USE_PROTOS
void ali_yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
#else
void ali_yy_init_buffer( b, file )
YY_BUFFER_STATE b;
FILE *file;
#endif


      {
      ali_yy_flush_buffer( b );

      b->ali_yy_input_file = file;
      b->ali_yy_fill_buffer = 1;

#if YY_ALWAYS_INTERACTIVE
      b->ali_yy_is_interactive = 1;
#else
#if YY_NEVER_INTERACTIVE
      b->ali_yy_is_interactive = 0;
#else
      b->ali_yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
#endif
#endif
      }


#ifdef YY_USE_PROTOS
void ali_yy_flush_buffer( YY_BUFFER_STATE b )
#else
void ali_yy_flush_buffer( b )
YY_BUFFER_STATE b;
#endif

      {
      if ( ! b )
            return;

      b->ali_yy_n_chars = 0;

      /* We always need two end-of-buffer characters.  The first causes
       * a transition to the end-of-buffer state.  The second causes
       * a jam in that state.
       */
      b->ali_yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
      b->ali_yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;

      b->ali_yy_buf_pos = &b->ali_yy_ch_buf[0];

      b->ali_yy_at_bol = 1;
      b->ali_yy_buffer_status = YY_BUFFER_NEW;

      if ( b == ali_yy_current_buffer )
            ali_yy_load_buffer_state();
      }


#ifndef YY_NO_SCAN_BUFFER
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE ali_yy_scan_buffer( char *base, ali_yy_size_t size )
#else
YY_BUFFER_STATE ali_yy_scan_buffer( base, size )
char *base;
ali_yy_size_t size;
#endif
      {
      YY_BUFFER_STATE b;

      if ( size < 2 ||
           base[size-2] != YY_END_OF_BUFFER_CHAR ||
           base[size-1] != YY_END_OF_BUFFER_CHAR )
            /* They forgot to leave room for the EOB's. */
            return 0;

      b = (YY_BUFFER_STATE) ali_yy_flex_alloc( sizeof( struct ali_yy_buffer_state ) );
      if ( ! b )
            YY_FATAL_ERROR( "out of dynamic memory in ali_yy_scan_buffer()" );

      b->ali_yy_buf_size = size - 2;      /* "- 2" to take care of EOB's */
      b->ali_yy_buf_pos = b->ali_yy_ch_buf = base;
      b->ali_yy_is_our_buffer = 0;
      b->ali_yy_input_file = 0;
      b->ali_yy_n_chars = b->ali_yy_buf_size;
      b->ali_yy_is_interactive = 0;
      b->ali_yy_at_bol = 1;
      b->ali_yy_fill_buffer = 0;
      b->ali_yy_buffer_status = YY_BUFFER_NEW;

      ali_yy_switch_to_buffer( b );

      return b;
      }
#endif


#ifndef YY_NO_SCAN_STRING
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE ali_yy_scan_string( ali_yyconst char *ali_yy_str )
#else
YY_BUFFER_STATE ali_yy_scan_string( ali_yy_str )
ali_yyconst char *ali_yy_str;
#endif
      {
      int len;
      for ( len = 0; ali_yy_str[len]; ++len )
            ;

      return ali_yy_scan_bytes( ali_yy_str, len );
      }
#endif


#ifndef YY_NO_SCAN_BYTES
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE ali_yy_scan_bytes( ali_yyconst char *bytes, int len )
#else
YY_BUFFER_STATE ali_yy_scan_bytes( bytes, len )
ali_yyconst char *bytes;
int len;
#endif
      {
      YY_BUFFER_STATE b;
      char *buf;
      ali_yy_size_t n;
      int i;

      /* Get memory for full buffer, including space for trailing EOB's. */
      n = len + 2;
      buf = (char *) ali_yy_flex_alloc( n );
      if ( ! buf )
            YY_FATAL_ERROR( "out of dynamic memory in ali_yy_scan_bytes()" );

      for ( i = 0; i < len; ++i )
            buf[i] = bytes[i];

      buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;

      b = ali_yy_scan_buffer( buf, n );
      if ( ! b )
            YY_FATAL_ERROR( "bad buffer in ali_yy_scan_bytes()" );

      /* It's okay to grow etc. this buffer, and we should throw it
       * away when we're done.
       */
      b->ali_yy_is_our_buffer = 1;

      return b;
      }
#endif


#ifndef YY_NO_PUSH_STATE
#ifdef YY_USE_PROTOS
static void ali_yy_push_state( int new_state )
#else
static void ali_yy_push_state( new_state )
int new_state;
#endif
      {
      if ( ali_yy_start_stack_ptr >= ali_yy_start_stack_depth )
            {
            ali_yy_size_t new_size;

            ali_yy_start_stack_depth += YY_START_STACK_INCR;
            new_size = ali_yy_start_stack_depth * sizeof( int );

            if ( ! ali_yy_start_stack )
                  ali_yy_start_stack = (int *) ali_yy_flex_alloc( new_size );

            else
                  ali_yy_start_stack = (int *) ali_yy_flex_realloc(
                              (void *) ali_yy_start_stack, new_size );

            if ( ! ali_yy_start_stack )
                  YY_FATAL_ERROR(
                  "out of memory expanding start-condition stack" );
            }

      ali_yy_start_stack[ali_yy_start_stack_ptr++] = YY_START;

      BEGIN(new_state);
      }
#endif


#ifndef YY_NO_POP_STATE
static void ali_yy_pop_state()
      {
      if ( --ali_yy_start_stack_ptr < 0 )
            YY_FATAL_ERROR( "start-condition stack underflow" );

      BEGIN(ali_yy_start_stack[ali_yy_start_stack_ptr]);
      }
#endif


#ifndef YY_NO_TOP_STATE
static int ali_yy_top_state()
      {
      return ali_yy_start_stack[ali_yy_start_stack_ptr - 1];
      }
#endif

#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif

#ifdef YY_USE_PROTOS
static void ali_yy_fatal_error( ali_yyconst char msg[] )
#else
static void ali_yy_fatal_error( msg )
char msg[];
#endif
      {
      (void) fprintf( stderr, "%s\n", msg );
      exit( YY_EXIT_FAILURE );
      }



/* Redefine ali_yyless() so it works in section 3 code. */

#undef ali_yyless
#define ali_yyless(n) \
      do \
            { \
            /* Undo effects of setting up ali_yytext. */ \
            ali_yytext[ali_yyleng] = ali_yy_hold_char; \
            ali_yy_c_buf_p = ali_yytext + n; \
            ali_yy_hold_char = *ali_yy_c_buf_p; \
            *ali_yy_c_buf_p = '\0'; \
            ali_yyleng = n; \
            } \
      while ( 0 )


/* Internal utility routines. */

#ifndef ali_yytext_ptr
#ifdef YY_USE_PROTOS
static void ali_yy_flex_strncpy( char *s1, ali_yyconst char *s2, int n )
#else
static void ali_yy_flex_strncpy( s1, s2, n )
char *s1;
ali_yyconst char *s2;
int n;
#endif
      {
      register int i;
      for ( i = 0; i < n; ++i )
            s1[i] = s2[i];
      }
#endif

#ifdef YY_NEED_STRLEN
#ifdef YY_USE_PROTOS
static int ali_yy_flex_strlen( ali_yyconst char *s )
#else
static int ali_yy_flex_strlen( s )
ali_yyconst char *s;
#endif
      {
      register int n;
      for ( n = 0; s[n]; ++n )
            ;

      return n;
      }
#endif


#ifdef YY_USE_PROTOS
static void *ali_yy_flex_alloc( ali_yy_size_t size )
#else
static void *ali_yy_flex_alloc( size )
ali_yy_size_t size;
#endif
      {
      return (void *) malloc( size );
      }

#ifdef YY_USE_PROTOS
static void *ali_yy_flex_realloc( void *ptr, ali_yy_size_t size )
#else
static void *ali_yy_flex_realloc( ptr, size )
void *ptr;
ali_yy_size_t size;
#endif
      {
      /* The cast to (char *) in the following accommodates both
       * implementations that use char* generic pointers, and those
       * that use void* generic pointers.  It works with the latter
       * because both ANSI C and C++ allow castless assignment from
       * any pointer type to void*, and deal with argument conversions
       * as though doing an assignment.
       */
      return (void *) realloc( (char *) ptr, size );
      }

#ifdef YY_USE_PROTOS
static void ali_yy_flex_free( void *ptr )
#else
static void ali_yy_flex_free( ptr )
void *ptr;
#endif
      {
      free( ptr );
      }

#if YY_MAIN
int main()
      {
      ali_yylex();
      return 0;
      }
#endif
#line 375 "mh_alias.l"

             
int
ali_yywrap ()
{
  return pop_source();
}

/* Parses the named alias file */
int
mh_alias_read (char *name, int fail)
{
  extern int ali_yydebug;
  char *p = getenv("ALI_YYDEBUG");

  if (p && *p > '0' && *p < '9')
    ali_yydebug = 1;
  
  if (push_source (name, fail))
    return 1;
  if (ali_yydebug)
    fprintf (stderr, "Starting parse of %s\n", name);
  return ali_yyparse ();
}

void
ali_verbatim (int enable)
{
  if (enable)
    BEGIN(VERBATIM);
  else
    BEGIN(INITIAL);
}
  

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