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Annotation of src/usr.bin/less/regexp.h, Revision 1.1

1.1     ! etheisen    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
        !             9: #define _REGEXP 1
        !            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: #if defined(__STDC__) || defined(__cplusplus)
        !            23: #   define _ANSI_ARGS_(x)       x
        !            24: #else
        !            25: #   define _ANSI_ARGS_(x)       ()
        !            26: #endif
        !            27:
        !            28: extern regexp *regcomp _ANSI_ARGS_((char *exp));
        !            29: extern int regexec _ANSI_ARGS_((regexp *prog, char *string));
        !            30: extern void regsub _ANSI_ARGS_((regexp *prog, char *source, char *dest));
        !            31: extern void regerror _ANSI_ARGS_((char *msg));
        !            32:
        !            33: #endif /* REGEXP */