xref: /minix/external/bsd/less/dist/regexp.h (revision dda632a2)
1 /*	$NetBSD: regexp.h,v 1.2 2011/07/03 19:51:26 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 */
37