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readdir() - Unix, Linux System Call
readdir - read directory entry
int readdir(unsigned int fd, struct dirent *dirp,
unsigned int count);
This is not the function you are interested in.
for the POSIX conforming C library interface.
This page documents the bare kernel system call interface,
which can change, and which is superseded by
readdir() reads one
dirent structure from the directory
pointed at by
fd into the memory area pointed to by
dirp. The parameter
count is ignored; at most one dirent structure is read.
dirent structure is declared as follows:
long d_ino; /* inode number */
off_t d_off; /* offset to this dirent */
unsigned short d_reclen; /* length of this d_name */
char d_name [NAME_MAX+1]; /* filename (null-terminated) */
d_ino is an inode number.
d_off is the distance from the start of the directory to this
dirent. d_reclen is the size of
d_name, not counting the null terminator.
d_name is a null-terminated filename.
On success, 1 is returned.
On end of directory, 0 is returned.
On error, -1 is returned, and
errno is set appropriately.
Invalid file descriptor
Argument points outside the calling processs address space.
Result buffer is too small.
No such directory.
File descriptor does not refer to a directory.
This system call is Linux specific.
Glibc does not provide a wrapper for this system call; call it using