標頭檔案：windows.h

函式：CreateDirectory(lpNewDirectory String,lpSecurityAttributes SECURITY_ATTRIBUTES)

第一個引數表示新建目錄名字，第二個引數表示安全屬性

示例程式，當前目錄下建立檔案

#include <windows.h>
void main()
{
     CreateDirectory("newfile",null);
}

void forcedirectory(const char * dir)
{
     char * filefold = "test\\file1\\file2";
     int i = 0;
     while (i != strlen(filefold))
     {
        if (filefold[i]=='\\')
        {
              char old = filefold[i+1];
              filefold[i+1]=0;
             CreateDirectory(filefold,null);
             filefold[i+1]=old;
         }
     }
     delete [] filefold;
}