1 /* 2 * Definitions etc. for regexp(3) routines. 3 * 4 * Caveat: this is V8 regexp(3) [actually, a reimplementation thereof], 5 * not the System V one. 6 */ 7 8 #ifndef REGEXP_H 9 #define REGEXP_H 10 11 #define NSUBEXP 10 12 typedef struct regexp { 13 char *startp[NSUBEXP]; 14 char *endp[NSUBEXP]; 15 char regstart; /* Internal use only. */ 16 char reganch; /* Internal use only. */ 17 char *regmust; /* Internal use only. */ 18 int regmlen; /* Internal use only. */ 19 char program[1]; /* Unwarranted chumminess with compiler. */ 20 } regexp; 21 22 /* 23 * The first byte of the regexp internal "program" is actually this magic 24 * number; the start node begins in the second byte. 25 */ 26 #define MAGIC 0234 27 28 extern regexp *regcomp(char *); 29 extern int regexec(register regexp *, register char *); 30 #endif /* REGEXP_H */ 31