/ C library -- ustat - get superblock info / ustat(dev, info) / char *info; .globl _ustat .globl cerror pwbsys = 57. ustat = 2 _ustat: mov r5,-(sp) mov sp,r5 mov 4(r5),r1 mov 6(r5),r0 sys pwbsys; ustat bec 8f jmp cerror 8: clr r0 mov (sp)+,r5 rts pc