V6/usr/source/s5/stty.s

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/ C library -- stty

/ error = stty(filep, ttyvec);

/ filep is descriptor of open tty
/ ttyvec[0, 1, 2] correspond to args of stty

.globl	_stty, cerror

_stty:
	mov	r5,-(sp)
	mov	sp,r5
	mov	4(r5),r0
	mov	6(r5),0f
	sys	0; 9f
	bec	1f
	jmp	cerror
1:
	clr	r0
	mov	(sp)+,r5
	rts	pc
.data
9:
	sys	stty; 0:..