external/bsd/less/dist/regexp.h

   1 /*      $NetBSD: regexp.h,v 1.3 2013/09/04 19:44:21 tron Exp $  */
   2
   3 /*
   4  * Definitions etc. for regexp(3) routines.
   5  *
   6  * Caveat:  this is V8 regexp(3) [actually, a reimplementation thereof],
   7  * not the System V one.
   8  */
   9
  10 #ifndef _REGEXP
  11 #define _REGEXP 1
  12
  13 #define NSUBEXP  10
  14 typedef struct regexp {
  15         char *startp[NSUBEXP];
  16         char *endp[NSUBEXP];
  17         char regstart;          /* Internal use only. */
  18         char reganch;           /* Internal use only. */
  19         char *regmust;          /* Internal use only. */
  20         int regmlen;            /* Internal use only. */
  21         char program[1];        /* Unwarranted chumminess with compiler. */
  22 } regexp;
  23
  24 #if defined(__STDC__) || defined(__cplusplus)
  25 #   define _ANSI_ARGS_(x)       x
  26 #else
  27 #   define _ANSI_ARGS_(x)       ()
  28 #endif
  29
  30 extern regexp *regcomp _ANSI_ARGS_((char *exp));
  31 extern int regexec _ANSI_ARGS_((regexp *prog, char *string));
  32 extern int regexec2 _ANSI_ARGS_((regexp *prog, char *string, int notbol));
  33 extern void regsub _ANSI_ARGS_((regexp *prog, char *source, char *dest));
  34 extern void regerror _ANSI_ARGS_((char *msg));
  35
  36 #endif /* REGEXP */