UNIX 7th Ed. - /usr/src/libc/sys/ioctl.s

   1: / C library -- ioctl
   2: 
   3: / ioctl(fdes, command, arg)
   4: / struct * arg;
   5: /
   6: / result == -1 if error
   7: 
   8: .globl  _ioctl, cerror
   9: .ioctl  = 54.
  10: 
  11: _ioctl:
  12:         mov     r5,-(sp)
  13:         mov     sp,r5
  14:         mov     4(r5),0f
  15:         mov     6(r5),0f+2
  16:         mov     8(r5),0f+4
  17:         sys     0; 9f
  18:         bec     1f
  19:         jmp     cerror
  20: 1:
  21:         mov     (sp)+,r5
  22:         clr     r0
  23:         rts     pc
  24: .data
  25: 9:
  26:         sys     .ioctl; 0:..; ..; ..

Defined functions