实例:在Linux环境下验证signal函数 #include <stdio.h>#include <signal.h>typedef void (*signal_handler)(int);void signal_handler_fun(int signum) {printf("catch signal %d\n", signum);}int main(int argc, char *argv[]) {signal(SIGINT, signal_handler_fun);while(1);return 0;} SIGINT表示中...