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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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vol_100
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172_01
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lexcha.c
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/*
HEADER: CUG nnn.nn;
TITLE: LEX - A Lexical Analyser Generator
VERSION: 1.1 for IBM-PC
DATE: Jan 30, 1985
DESCRIPTION: A Lexical Analyser Generator. From UNIX
KEYWORDS: Lexical Analyser Generator YACC C PREP
SYSTEM: IBM-PC and Compatiables
FILENAME: LEXCHA.C
WARNINGS: This program is not for the casual user. It will
be useful primarily to expert developers.
CRC: N/A
SEE-ALSO: YACC and PREP
AUTHORS: Charles H. Forsyth
Scott Guthery 11100 leafwood lane Austin, TX 78750
Andrew M. Ward, Jr. Houston, Texas (Modifications)
COMPILERS: LATTICE C
REFERENCES: UNIX Systems Manuals -- Lex Manual on distribution disks
*/
/*
* Copyright (c) 1978 Charles H. Forsyth
*
* Bob Denny 28-Aug-82 Remove reference to stdio.h
* More 20-Nov-83 Scott Guthery -- Adapt for IBM PC & DeSmet C
*
* Modified 22-Jun-86 Andrew Ward -- Modified code to compile under
* Lattice C ver 3.0h. Replaced 0377 with CMASK
* defined in lex.h. Added int type cast.
*/
#include "lex.h"
extern char *llend, *llp2;
int lexchar()
{
return(llend<llp2? (int)*llend++&CMASK : (int)lexgetc());
}