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Unix System Administration Handbook 1997 October
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nn.tar
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nn-6.5.1
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regexp.h
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C/C++ Source or Header
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1995-04-29
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803b
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36 lines
/*
* Definitions etc. for regexp(3) routines.
*
* Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
* not the System V one.
*/
#ifndef _NN_REGEXP_H
#define _NN_REGEXP_H 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;
/*
* The first byte of the regexp internal "program" is actually this magic
* number; the start node begins in the second byte.
*/
#define MAGIC 0234
extern regexp *regcomp();
extern int regexec();
extern void regsub();
extern void regerror();
#endif /* _NN_REGEXP_H */