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/*
* Definitions etc. for regexp(3) routines.
*
* Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
* not the System V one.
*/
#ifndef REGEXP_H
#define REGEXP_H
#define REGEXP_MAGIC 0234
/*
http://www.opensource.apple.com/darwinsource/10.3/expect-1/expect/expect.h ,
which contains a version of this library, says:
*
* NSUBEXP must be at least 10, and no greater than 117 or the parser
* will not work properly.
*
However, it looks rather like this library is limited to 10. If you think
otherwise, let us know.
*/
#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;
regexp * pm_regcomp(char *exp, int *patternsize);
int pm_regexec(regexp *prog, char *string);
void pm_regerror(char *s);
#endif
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