/*- * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * %sccs.include.redist.c% */ #if defined(LIBC_SCCS) && !defined(lint) .asciz "@(#)index.s 8.1 (Berkeley) 06/04/93" #endif /* LIBC_SCCS and not lint */ #include "DEFS.h" ENTRY(index) movl sp@(4),a0 /* string */ movb sp@(11),d0 /* char to look for */ ixloop: cmpb a0@,d0 /* found our char? */ jeq ixfound /* yes, break out */ tstb a0@+ /* null? */ jne ixloop /* no, keep going */ moveq #0,d0 /* not found, return null */ rts ixfound: movl a0,d0 /* found, return pointer */ rts