.define _mount .extern _mount .text _mount: enter[], 0 addr 8(fp),r7 movd 12,r0 addd r0,r7 1: subd 4,r7 movd 0(r7),tos acbd -4,r0,1b movd 21,tos jsr @.mon cmpqd 0,tos bne I0011 movd 0,r4 exit [] ret 0 I0011: movd tos,r7 movd r7,@_errno movd -1,r4 exit [] ret 0