代码:
#include <stdio.h> #define LALALA 1 int main() { if (LALALA) printf("ok\n"); else goto wrong_1; printf("test\n"); wrong_1: printf("not ok\n"); printf("test2\n"); }
运行结果:
ok test not ok test2 请按任意键继续. . .
如果改为
#define LALALA 0
运行结果:
not ok test2 请按任意键继续. . .