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READLINK(2)               FreeBSD System Calls Manual              READLINK(2)

NAME
     readlink - read value of a symbolic link

SYNOPSIS
     #include <unistd.h>

     int
     readlink(const char *path, char *buf, int bufsiz);

DESCRIPTION
     Readlink() places the contents of the symbolic link path in the buffer
     buf, which has size bufsiz.  The readlink() function does not append a
     NUL character to buf.

RETURN VALUES
     The call returns the count of characters placed in the buffer if it
     succeeds, or a -1 if an error occurs, placing the error code in the
     global variable errno.

ERRORS
     Readlink() will fail if:

     [ENOTDIR]     A component of the path prefix is not a directory.

     [ENAMETOOLONG]
                   A component of a pathname exceeded 255 characters, or an
                   entire path name exceeded 1023 characters.

     [ENOENT]      The named file does not exist.

     [EACCES]      Search permission is denied for a component of the path
                   prefix.

     [ELOOP]       Too many symbolic links were encountered in translating the
                   pathname.

     [EINVAL]      The named file is not a symbolic link.

     [EIO]         An I/O error occurred while reading from the file system.

     [EFAULT]      Buf extends outside the process's allocated address space.

SEE ALSO
     lstat(2), stat(2), symlink(2), symlink(7)

HISTORY
     The readlink() function call appeared in 4.2BSD.

BSD 4.2                          June 4, 1993                          BSD 4.2
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | SEE ALSO | HISTORY

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