.define _fork .define _par_uid .extern _par_uid .bss _par_uid:.space 4 .extern _fork .text _fork: enter[], 0 movd 2,tos jsr @.mon cmpqd 0,tos beq I0011 movd tos,r7 movd r7,@_errno movd -1,r4 exit [] ret 0 I0011: cmpqd 0,tos beq I0012 movd tos,r7 movd r7,@_par_uid movd 0,tos I0012: movd tos,r7 movd r7,r4 exit [] ret 0