1 #include "lib.h" 2 #include <unistd.h> 3 #include <time.h> 4 #include "sys9.h" 5 6 unsigned int sleep(unsigned int secs)7 sleep(unsigned int secs) 8 { 9 time_t t0, t1; 10 11 t0 = time(0); 12 if(_SLEEP(secs*1000) < 0){ 13 t1 = time(0); 14 return t1-t0; 15 } 16 return 0; 17 } 18