C循环读指定路径下的文件

/******************************************************************************
* function : traverse folder 
  basePath：base dir name
******************************************************************************/
static int readdir(char *basePath,char* imglist[])
{
    
    DIR *dir;
    struct dirent *ptr;
    char base[1000];
    char suffix[10];

    // char* imglist[MAX_NUM]={0};
    
    

    if ((dir=opendir(basePath)) == NULL)
    {
        perror("Open dir error...");
        exit(1);
       
    }

    while ((ptr=readdir(dir)) != NULL)
    {
        if(strcmp(ptr->d_name,".")==0 || strcmp(ptr->d_name,"..")==0)    ///current dir OR parrent dir
            continue;
        else if(ptr->d_type == 8)    ///file

        {
            printf("d_name:%s/%s\n",basePath,ptr->d_name);
            memset(suffix,'\0',sizeof(suffix));
            int str_len=strlen(ptr->d_name);
            strncpy(suffix, ptr->d_name+str_len-3, 3);


            // printf(" Load bgr data success! %s \n",suffix);
            if (strcmp(suffix,"bgr")==0)
            {
                printf(" Load bgr data success! %s \n",ptr->d_name);

            
                *(imglist++)=ptr->d_name;
            
            }
            
    
        }
            
        else if(ptr->d_type == 10)    ///link file
            printf("d_name:%s/%s\n",basePath,ptr->d_name);
        else if(ptr->d_type == 4)    ///dir
        {

            memset(base,'\0',sizeof(base));
            strcpy(base,basePath);
            strcat(base,"/");
            strcat(base,ptr->d_name);
            readFileList(base,imglist);
        }
    }
    closedir(dir);
    return 1;
}