index.c,v

来自「TCP-IP红宝书源代码」· C,V 代码 · 共 42 行

head	1.1;
access;
symbols;
locks
	dls:1.1; strict;
comment	@ * @;


1.1
date	97.09.21.19.27.40;	author dls;	state Dist;
branches;
next	;


desc
@@


1.1
log
@pre-3e code
@
text
@/*
 * Return the ptr in sp at which the character c appears;
 * NULL if not found
 */

#define	NULL	0

char *
index(sp, c)
register char *sp, c;
{
	do {
		if (*sp == c)
			return(sp);
	} while (*sp++);
	return(NULL);
}
@