/*
 *			s t r c m p . c
 */

/*)LIBRARY
*/

#ifdef	DOCUMENTATION

title	strcmp	String Compare
index		String compare

synopsis
	.s.nf
	int
	strcmp(s1, s2);
	char		*s1;
	char		*s2;
	.s.f
Description

	Compare two strings, returning

	  -1 if s1  < s2
	   0 if s1 == s2
	  +1 if s1  > s2

Bugs

#endif

#define	EOS	0

int
strcmp(s1, s2)
register char	*s1;
register char	*s2;
/*
 * Compare two strings.
 */
{
	while (*s1++ == *s2) {
	    if (*s2++ == EOS)
		return (0);
	}
	return ((s1[-1] < *s2) ? -1 : 1);
}