goto.cpp

压缩包里有教材<<C++模式设计-基于QT4开源跨平台开发框架>>所有源码

#include <stdlib.h>
//start
int look() {
    int i=0;
    for (i=0; i<10; ++i) {
        if (i == rand() % 20)
            goto found; /* it would be better to use
        break or continue */
    }
    return -1;
found:   /* goto serves as a forward declaration to a label */
    return i;
}
//end

int main() {
    look();
}