TEXT	strlen(SB),$0 	MOVL	$0, AX	MOVQ	$-1, CX	CLD/* * look for end of string */ 	MOVQ	RARG, DI	REPN;	SCASB 	MOVQ	DI, AX	SUBQ	RARG, AX	SUBQ	$1, AX	RET