实例:在Linux中演示保存signal函数的返回值 #include <stdio.h>#include <signal.h>static void SignalHandler1(int signo){printf("\nhaha\n");}static void SignalHandler2(int signo){printf("\nhehe\n");}int main(){void (*func)(int);if ((func = signal(SIGINT, SignalHandler1)) == SIG_ER...