This section describes how to reread parts of a directory that you have already read from an open directory stream. All the symbols are declared in the header file dirent.h.
rewinddirfunction is used to reinitialize the directory stream dirstream, so that if you call
readdirit returns information about the first entry in the directory again. This function also notices if files have been added or removed to the directory since it was opened with
opendir. (Entries for these files might or might not be returned by
readdirif they were added or removed since you last called
telldirfunction returns the file position of the directory stream dirstream. You can use this value with
seekdirto restore the directory stream to that position.
seekdirfunction sets the file position of the directory stream dirstream to pos. The value pos must be the result of a previous call to
telldiron this particular stream; closing and reopening the directory can invalidate values returned by