#include "sys.h" .define _renice .extern _errno _renice: mov 2(sp),0f+2 mov 4(sp),0f+4 sys local; .data2 0f bcc 1f mov r0,_errno mov $-1,r0 rts pc 1: clr r0 rts pc .sect .data 0: sys renice .data2 0, 0