V5/usr/source/s4/link.s

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/ C library -- link

/ error = link(old-file, new-file);
/

.globl	_link, retrn, cerror

_link:
	mov	r5,-(sp)
	mov	sp,r5
	mov	4(r5),0f
	mov	6(r5),0f+2
	sys	0; 9f
	bec	1f
	jmp	cerror
1:
	clr	r0
	jmp	retrn
.data
9:
	sys	link; 0:..; ..