UNIX 6th Ed. - /usr/source/s5/pipe.s

   1: / pipe -- C library
   2: 
   3: /	pipe(f)
   4: /	int f[2];
   5: 
   6: .globl  _pipe, cerror
   7: 
   8: pipe = 42.
   9: 
  10: _pipe:
  11:         mov     r5,-(sp)
  12:         mov     sp,r5
  13:         sys     pipe
  14:         bec     1f
  15:         jmp     cerror
  16: 1:
  17:         mov     4(r5),r2
  18:         mov     r0,(r2)+
  19:         mov     r1,(r2)
  20:         clr     r0
  21:         mov     (sp)+,r5
  22:         rts     pc

Defined functions