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BSD 3.0

/*******
 *	prefix(s1, s2)	check s2 for prefix s1
 *	char *s1, *s2;
 *
 *	return 0 - !=
 *	return 1 - == 
 */

prefix(s1, s2)
char *s1, *s2;
{
	char c;

	while ((c = *s1++) == *s2++)
		if (c == '\0')
			return(1);
	return(c == '\0');
}

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