git.zerfleddert.de Git - micropolis/blob - src/tcl/compat/dirent2.h

   1 /*
   2  * dirent.h --
   3  *
   4  *      Declarations of a library of directory-reading procedures
   5  *      in the POSIX style ("struct dirent").
   6  *
   7  * Copyright 1991 Regents of the University of California
   8  * Permission to use, copy, modify, and distribute this
   9  * software and its documentation for any purpose and without
  10  * fee is hereby granted, provided that this copyright
  11  * notice appears in all copies.  The University of California
  12  * makes no representations about the suitability of this
  13  * software for any purpose.  It is provided "as is" without
  14  * express or implied warranty.
  15  *
  16  * $Header: /sprite/src/lib/tcl/compat/RCS/dirent2.h,v 1.1 91/09/19 16:22:08 ouster Exp $ SPRITE (Berkeley)
  17  */
  18
  19 #ifndef _DIRENT
  20 #define _DIRENT
  21
  22 #ifndef _TCL
  23 #include <tcl.h>
  24 #endif
  25
  26 /*
  27  * Dirent structure, which holds information about a single
  28  * directory entry.
  29  */
  30
  31 #define MAXNAMLEN 255
  32 #define DIRBLKSIZ 512
  33
  34 struct dirent {
  35     long d_ino;                 /* Inode number of entry */
  36     short d_reclen;             /* Length of this record */
  37     short d_namlen;             /* Length of string in d_name */
  38     char d_name[MAXNAMLEN + 1]; /* Name must be no longer than this */
  39 };
  40
  41 /*
  42  * State that keeps track of the reading of a directory (clients
  43  * should never look inside this structure;  the fields should
  44  * only be accessed by the library procedures).
  45  */
  46
  47 typedef struct _dirdesc {
  48     int dd_fd;
  49     long dd_loc;
  50     long dd_size;
  51     char dd_buf[DIRBLKSIZ];
  52 } DIR;
  53
  54 /*
  55  * Procedures defined for reading directories:
  56  */
  57
  58 extern void             closedir _ANSI_ARGS_((DIR *dirp));
  59 extern DIR *            opendir _ANSI_ARGS_((char *name));
  60 extern struct dirent *  readdir _ANSI_ARGS_((DIR *dirp));
  61
  62 #endif /* _DIRENT */