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freebsd/contrib/less/regexp.h
Paul Saab a5f0fb151d Import the [now] dual licensed version 3.5.4 of less. It is
distributed under your choice of the GPL or a BSD style license.

Reviewed by:	peter
Obtained from:	http://home.flash.net/~marknu/less/
2000-05-22 09:53:22 +00:00

35 lines
973 B
C

/*
* Definitions etc. for regexp(3) routines.
*
* Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
* not the System V one.
*/
#ifndef _REGEXP
#define _REGEXP 1
#define NSUBEXP 10
typedef struct regexp {
char *startp[NSUBEXP];
char *endp[NSUBEXP];
char regstart; /* Internal use only. */
char reganch; /* Internal use only. */
char *regmust; /* Internal use only. */
int regmlen; /* Internal use only. */
char program[1]; /* Unwarranted chumminess with compiler. */
} regexp;
#if defined(__STDC__) || defined(__cplusplus)
# define _ANSI_ARGS_(x) x
#else
# define _ANSI_ARGS_(x) ()
#endif
extern regexp *regcomp _ANSI_ARGS_((char *exp));
extern int regexec _ANSI_ARGS_((regexp *prog, char *string));
extern int regexec2 _ANSI_ARGS_((regexp *prog, char *string, int notbol));
extern void regsub _ANSI_ARGS_((regexp *prog, char *source, char *dest));
extern void regerror _ANSI_ARGS_((char *msg));
#endif /* REGEXP */