C primer plus（編程練習）file-2.12-8

#include <stdio.h>

void one_three()
{
    printf("one\n");
}

void two()
{
    printf("two\n");
    printf("three\n");
}
void main()
{
    printf("staring now:\n");
    one_three();
    two();
    printf("done!\n");
}