请问函数里面的代码该怎么写啊？怎么用函数mkdir?

Question

#include "stdafx.h"
#include "direct.h"
#include "string.h"
#include "stdlib.h"
#include "io.h"
#define n 100
int main(int argc, char* argv[])
{
char a[n];
int fold(char a[n]);

printf("********************第八单元 函数二 多级文件夹的创建*****************");
printf("请输入:");
scanf("%s",a);
fold(a);
printf("Hello World!\n");
return 0;
}
int fold(char a[n]){
int i;
return 0;
}

Answer 1

函数名:&nbsp;_mkdir功&nbsp;能:&nbsp;建立一个目录用&nbsp;法:&nbsp;int&nbsp;_mkdir(&nbsp;const&nbsp;char&nbsp;*dirname&nbsp;);头文件库：direct.h返回值：创建一个目录，若成功则返回0，否则返回-1程序例:#include&nbsp;<direct.h>#include&nbsp;<stdio.h>#include&nbsp;<stdlib.h>//for&nbsp;system()函数int&nbsp;main(void)&nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;mkdir("D:\\myd");&nbsp;&nbsp;&nbsp;&nbsp;system("dir&nbsp;D:\\myd");&nbsp;&nbsp;&nbsp;&nbsp;system("start&nbsp;D:");&nbsp;&nbsp;&nbsp;&nbsp;getchar();&nbsp;&nbsp;&nbsp;&nbsp;_rmdir("D:\\myd");&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;0;}