include <unistd.h> //dup2, STDIN_FILENO, STDOUT_FILENO

int main(void)
{
int socketPipe[2]; //0 = read, 1 = write
pipe(socketPipe);

dup2(socketPipe[0], STDIN_FILENO);
dup2(socketPipe[1], STDOUT_FILENO);

while(1);
return 0;
}

为何运行无输出？