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The facilities described in this section let you read the contents of a directory file. This is useful if you want your program to list all the files in a directory, perhaps as part of a menu.
opendir function opens a directory stream whose
elements are directory entries. You use the
readdir function on
the directory stream to retrieve these entries, represented as
struct dirent objects. The name of the file for each entry is
stored in the
d_name member of this structure. There are obvious
parallels here to the stream facilities for ordinary files, described in
12. Input/Output on Streams.
14.2.1 Format of a Directory Entry Format of one directory entry. 14.2.2 Opening a Directory Stream How to open a directory stream. 14.2.3 Reading and Closing a Directory Stream How to read directory entries from the stream. 14.2.4 Simple Program to List a Directory A very simple directory listing program. 14.2.5 Random Access in a Directory Stream Rereading part of the directory already read with the same stream. 14.2.6 Scanning the Content of a Directory Get entries for user selected subset of contents in given directory. 14.2.7 Simple Program to List a Directory, Mark II Revised version of the program.
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