/ / PDP-11 C. / Stdio. / / Read all event flags. / rdaf(b); int b[4]; / Returns -1 on error. / .globl rdaf rdaf: jsr r0,_save clr r0 mov 12(r5),-(sp) mov $39.+[2.<<8.],-(sp) emt 377 bcc 0f dec r0 0: jmp _ret