csapp ch8.5 练习题

代码

#include "csapp.h"
unsigned int snooze(unsigned int secs);
int main () {
    snooze(5);
    exit(0);
}
unsigned int snooze(unsigned int secs) {
    int result = sleep(secs);
    printf("Slept for %d of %d secs.", (secs - result), secs);
    return result;
}

答案