C语言遍历文件夹里所有文件无API、MFC

#include<iostream>   
  #include<string>   
  #include<io.h>   
  using namespace std; 

  void   filesearch(string path,int layer)   
  {   
          struct _finddata_t   filefind;   
          string  curr=path+"\\*.*";   
          int   done=0,i,handle;   
          if((handle=_findfirst(curr.c_str(),&filefind))==-1)
   return; 
    
          while(!(done=_findnext(handle,&filefind)))   
          {   
           printf("²âÊÔµÄ--%s\n",filefind.name);
                  if(!strcmp(filefind.name,"..")){
                  
   continue;
                  }
                  
                  for(i=0;i<layer;i++)
   cout<<"     "; 
    
    
    
    
                  if   ((_A_SUBDIR==filefind.attrib))   
                  {           
   printf("----------%s\n",filefind.name);