1/*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * the Systems Programming Group of the University of Utah Computer 7 * Science Department. 8 * 9 * %sccs.include.redist.c% 10 */ 11 12#if defined(LIBC_SCCS) && !defined(lint) 13 .asciz "@(#)strlen.s 8.1 (Berkeley) 06/04/93" 14#endif /* LIBC_SCCS and not lint */ 15 16#include "DEFS.h" 17 18ENTRY(strlen) 19 moveq #-1,d0 20 movl sp@(4),a0 /* string */ 21slloop: 22 addql #1,d0 /* increment count */ 23 tstb a0@+ /* null? */ 24 jne slloop /* no, keep going */ 25 rts 26