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# ifndef REG_H
# define REG_H
/*
* Definitions etc. for regexp(3) routines.
*
* Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
* not the System V one.
*/
#define NSUBEXP 10
typedef struct regProg
{
unsigned char * rpStartp[NSUBEXP];
unsigned char * rpEndp[NSUBEXP];
char regstart; /* Internal use only. */
char reganch; /* Internal use only. */
unsigned char * rpRegmust; /* Internal use only. */
int regmlen; /* Internal use only. */
unsigned char rpProgram[1]; /* Unwarranted chumminess */
/* with compiler. */
} regProg;
extern regProg *regCompile( const unsigned char * );
extern regProg *regCompileEscaped( const unsigned char * );
extern void regSubstitute( regProg *, char *, char * );
extern void regErrorMessage( char * );
extern int regFindLeftToRight( regProg * prog,
unsigned char * string );
extern int regFindRightToLeft( regProg * prog,
unsigned char * string,
int len );
# endif
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