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

1.1     ! downsj      1: /* $OpenBSD$   */
        !             2: /* vi:set ts=4 sw=4:
        !             3:  * NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE
        !             4:  *
        !             5:  * This is NOT the original regular expression code as written by
        !             6:  * Henry Spencer. This code has been modified specifically for use
        !             7:  * with the VIM editor, and should not be used apart from compiling
        !             8:  * VIM. If you want a good regular expression library, get the
        !             9:  * original code.
        !            10:  *
        !            11:  * NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE
        !            12:  *
        !            13:  * Definitions etc. for regexp(3) routines.
        !            14:  *
        !            15:  * Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
        !            16:  * not the System V one.
        !            17:  */
        !            18:
        !            19: #ifndef _REGEXP_H
        !            20: #define _REGEXP_H
        !            21:
        !            22: #define NSUBEXP  10
        !            23: typedef struct regexp
        !            24: {
        !            25:    char_u         *startp[NSUBEXP];
        !            26:    char_u         *endp[NSUBEXP];
        !            27:    char_u          regstart;   /* Internal use only. */
        !            28:    char_u          reganch;    /* Internal use only. */
        !            29:    char_u         *regmust;    /* Internal use only. */
        !            30:    int             regmlen;    /* Internal use only. */
        !            31:    char_u          program[1]; /* Unwarranted chumminess with compiler. */
        !            32: } regexp;
        !            33:
        !            34: /*
        !            35:  * The first byte of the regexp internal "program" is actually this magic
        !            36:  * number; the start node begins in the second byte.
        !            37:  */
        !            38:
        !            39: #define MAGIC  0234
        !            40:
        !            41: #endif /* _REGEXP_H */