V5/usr/source/s4/stat.s

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including files from this version of Unix. 
/ C library -- stat

/ error = stat(string, statbuf);

/ int statbuf[18] or
/ char statbuf[36]
/ as appropriate

.globl	_stat, retrn, cerror

_stat:
	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	stat; 0:..; ..