gnu/dist/grep/src/grep.h

   1 /*      $NetBSD$        */
   2
   3 /* grep.h - interface to grep driver for searching subroutines.
   4    Copyright (C) 1992, 1998, 2001 Free Software Foundation, Inc.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2, or (at your option)
   9    any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19    02111-1307, USA.  */
  20
  21 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) || __STRICT_ANSI__
  22 # define __attribute__(x)
  23 #endif
  24
  25 /* Grep.c expects the matchers vector to be terminated
  26    by an entry with a NULL compile, and to contain at least
  27    an entry named "default". */
  28
  29 extern struct matcher
  30 {
  31   char name[8];
  32   void (*compile) PARAMS ((char const *, size_t));
  33   size_t (*execute) PARAMS ((char const *, size_t, size_t *, int));
  34 } const matchers[];
  35
  36 /* Exported from fgrepmat.c, egrepmat.c, grepmat.c.  */
  37 extern char const *matcher;
  38
  39 /* The following flags are exported from grep for the matchers
  40    to look at. */
  41 extern int match_icase;         /* -i */
  42 extern int match_words;         /* -w */
  43 extern int match_lines;         /* -x */
  44 extern unsigned char eolbyte;   /* -z */