contrib/less/regexp.h

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