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- /***************************************************************************
- * This program is Copyright (C) 1986, 1987, 1988 by Jonathan Payne. JOVE *
- * is provided to you without charge, and with no warranty. You may give *
- * away copies of JOVE, including sources, provided that this notice is *
- * included in all the files. *
- ***************************************************************************/
-
- #define NALTS 16 /* number of alternate search strings */
- #define COMPSIZE 256
-
- /* kinds of regular expression compiles */
- #define NORM 0 /* nothing special */
- #define OKAY_RE 1 /* allow regular expressions */
- #define IN_CB 2 /* in curly brace; implies OKAY_RE */
-
- struct RE_block {
- char r_compbuf[COMPSIZE],
- *r_alternates[NALTS],
- r_lbuf[LBSIZE];
- int r_nparens,
- r_firstc,
- r_anchored;
- };
-
- extern char searchstr[128],
- rep_search[128], /* replace search string */
- rep_str[128]; /* contains replacement string */
-
- extern int REdirection,
- REbom, /* beginning and end columns of match */
- REeom,
- REdelta; /* increase in line length due to last re_dosub */
-
- extern int okay_wrap; /* Do a wrap search ... not when we're
- parsing errors ... */
- extern char
- *getsearch proto((void));
-
- extern int
- LookingAt proto((char *pattern,char *buf,int offset)),
- look_at proto((char *expr)),
- re_lindex proto((struct line *line,int offset,struct RE_block *re_blk, int lbuf_okay, int crater));
-
- extern Bufpos
- *docompiled proto((int dir, struct RE_block *re_blk)),
- *dosearch proto((char *pattern,int dir,int re));
-
- extern void
- REcompile proto((char *pattern,int re,struct RE_block *re_blk)),
- find_tag proto((char *tag,int localp)),
- putmatch proto((int which,char *buf,size_t size)),
- re_dosub proto((struct RE_block *re_blk, char *tobuf, int delp)),
- setsearch proto((char *str)),
- RErecur proto((void));
-