LINUX下用C遍历一个目录的代码

#include <dirent.h>
#define VALID_FILE_HEAD  "converted-"
#define VALID_FILE_TAIL  ".h264"
#define MAX_BUFFER_SIZE  1024
/*
enum
  {
    DT_UNKNOWN = 0,
# define DT_UNKNOWN     DT_UNKNOWN
    DT_FIFO = 1,
# define DT_FIFO        DT_FIFO
    DT_CHR  = 2,
# define DT_CHR         DT_CHR
    DT_DIR  = 4,
# define DT_DIR         DT_DIR
    DT_BLK  = 6,
# define DT_BLK         DT_BLK
    DT_REG  = 8,
# define DT_REG         DT_REG
    DT_LNK  = 10,
# define DT_LNK         DT_LNK
    DT_SOCK = 12,
# define DT_SOCK        DT_SOCK
    DT_WHT  = 14
  };
*/
int process_directory(const int view, const char* pPath)
{
    DIR           *pDir;
    struct dirent *pFile;
    int   validCount = 0;
    if ((pDir=opendir(pPath)) == NULL)
    {
        perror("Open dir error...");
        exit(1);
    }
    while ((pFile=readdir(pDir)) != NULL)
    {
        if (strcmp(pFile->d_name, ".") == 0 || strcmp(pFile->d_name, "..") == 0)
        {
             ///current dir OR parrent dir
             continue;
        }
        else if (pFile->d_type == DT_REG)
        {
             ///file
             char fullPath[MAX_BUFFER_SIZE];
             sprintf(fullPath, "%s/%s", pPath, pFile->d_name);
             //GH_LOG_TEXT(fullPath);
             //限定文件头、文件尾
             if (  strstr(pFile->d_name, VALID_FILE_HEAD) != NULL
                && strstr(pFile->d_name, VALID_FILE_TAIL) != NULL)
             {
                 gh_ai_channel_process_ghinfer (view, (const char*)fullPath, validCount);
                 validCount ++;
             }
        }
        else if (pFile->d_type == DT_LNK)
        {
             ///link file
             printf("d_name:%s/%s\n", pPath, pFile->d_name);
        }
        else if (pFile->d_type == DT_DIR)
        {
             ///dir
             char subDir[MAX_BUFFER_SIZE];
             memset(subDir, 0, MAX_BUFFER_SIZE);
             sprintf(subDir, "%s/%s", pPath, pFile->d_name);
             //process_directory(view, subDir);
        }
    }
    closedir(pDir);
}
             sprintf(subDir, "%s/%s", pPath, pFile->d_name);
             //process_directory(view, subDir);
        }
    }
    closedir(pDir);
}