compilers/linux86-0.16.17/libc/include/dirent.h

   1
   2 #ifndef __DIRENT_H
   3 #define __DIRENT_H
   4
   5 #include <features.h>
   6 #include <sys/types.h>
   7
   8 #ifndef MAXNAMLEN
   9 #define MAXNAMLEN       255
  10 #endif
  11
  12 /* Directory stream type.  */
  13 typedef struct {
  14   int dd_fd;                    /* file descriptor */
  15   int dd_loc;                   /* offset in buffer */
  16   int dd_size;                  /* # of valid entries in buffer */
  17   struct dirent *dd_buf;        /* -> directory buffer */
  18 } DIR;                          /* stream data from opendir() */
  19
  20 typedef int (*__dir_select_fn_t) __P ((__const struct dirent *));
  21
  22 typedef int (*__dir_compar_fn_t) __P ((
  23                 __const struct dirent * __const *,
  24                 __const struct dirent * __const *
  25                 ));
  26
  27 struct dirent {
  28         long            d_ino;
  29         off_t           d_off;
  30         unsigned short  d_reclen;
  31         char            d_name[MAXNAMLEN+1];
  32 };
  33
  34 extern DIR *opendir __P ((__const char *__name));
  35 extern int closedir __P ((DIR * __dirp));
  36 extern struct dirent *readdir __P ((DIR * __dirp));
  37 extern void rewinddir __P ((DIR * __dirp));
  38
  39 extern void seekdir __P ((DIR * __dirp, off_t __pos));
  40 extern off_t telldir __P ((DIR * __dirp));
  41
  42 /* Scan the directory DIR, calling SELECT on each directory entry.
  43    Entries for which SELECT returns nonzero are individually malloc'd,
  44    sorted using qsort with CMP, and collected in a malloc'd array in
  45    *NAMELIST.  Returns the number of entries selected, or -1 on error.  */
  46 extern int scandir __P ((__const char *__dir,
  47                          struct dirent ***__namelist,
  48                          __dir_select_fn_t __select,
  49                          __dir_compar_fn_t __compar));
  50
  51 #endif /* dirent.h  */
  52