Source code of Windows XP (NT5)
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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 _PAX_REGEXP_H
#define _PAX_REGEXP_H
#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;
/*
* The first byte of the regexp internal "program" is actually this magic * number; the start node begins in the second byte. */ #define MAGIC (char)0234
extern regexp *regcomp(char *); extern int regexec(register regexp *, register char *); extern void regsub(regexp *, char *, char *); extern void regerror(char *);
#endif /* _PAX_REGEXP_H */
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