index.c,v

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1.1
date	97.09.21.19.27.40;	author dls;	state Dist;
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@pre-3e code
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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);
}
@