2.9BSD - /usr/src/lib/c/sys/login.s

   1: / error	= login(flag, crn)
   2: /	  char crn[4];
   3: 
   4: .globl  _login, cerror
   5: 
   6: _login:
   7:         mov     r5,-(sp)
   8:         mov     sp,r5
   9:         mov     4(r5),0f
  10:         mov     6(r5),0f+2
  11:         mov     10(r5),0f+4
  12:         sys     local; 9f
  13:         bec     1f
  14:         jmp     cerror
  15: 1:
  16:         clr     r0
  17:         mov     (sp)+,r5
  18:         rts     pc
  19: .data
  20: 9:
  21:         sys     login; 0:..; ..; ..;

Defined functions