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BSD 4.2

/* @(#)strlen.c	4.1 (Berkeley) 12/21/80 */
/*
 * Returns the number of
 * non-NULL bytes in string argument.
 */

strlen(s)
register char *s;
{
	register n;

	n = 0;
	while (*s++)
		n++;
	return(n);
}

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