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From: rsalz@bbn.com (Rich Salz)
Newsgroups: comp.lang.c
Subject: Re: Pattern-matching source code
Keywords: pattern,match,grep
Message-ID: <3285@litchi.bbn.com>
Date: 15 Feb 91 16:18:47 GMT
References: <1991Feb14.143705.3911@ux1.cso.uiuc.edu>
Organization: BBN Systems and Technology, Inc.
Lines: 20

In <1991Feb14.143705.3911@ux1.cso.uiuc.edu> gordon@osiris.cso.uiuc.edu (John Gordon) writes:
|/***********  MATCH.C  ************************  Listing 1  ***********
| * Author:    Allen I. Holub
| * Function:  A group of subroutines to find a substring represented
| *            by a grep-like regular expression in a second string.
|typedef enum action     /* These are put in the pattern string  */ {
|                        /* to represent metacharacters.         */
|    M_BOL    = ( 0x80 | '^' ),  M_EOL   = ( 0x80 | '$' ),
...
|}
|action;
|
|typedef unsigned char pattern;  /* pattern strings are unsigned char */

Note that this code assumes 7bit chars.  It won't work with extended alphabets,
or even on a PC where you could have graphics characters.
	/r$
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