CHFLAGS(2)                  BSD Programmer's Manual                 CHFLAGS(2)

NAME
     chflags, fchflags - set file flags

SYNOPSIS
     #include <unistd.h>

     int
     chflags(const char *path, long flags)

     int
     fchflags(int fd, long flags)

DESCRIPTION
     The file whose name is given by path or referenced by the descriptor fd
     has its flags changed to flags.

     Only the owner of a file (or the super-user) may change the flags.  The
     owner may only change the lower 16 bits of the flags; the super-user may
     change all 32 bits of the flags.

RETURN VALUES
     Upon successful completion, a value of 0 is returned.  Otherwise, -1 is
     returned and the global variable errno is set to indicate the error.

ERRORS
     Chflags() fails if:

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

     [EINVAL]      The pathname contains a character with the high-order bit
                   set.

     [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.

     [EPERM]       The effective user ID does not match the owner of the file
                   and the effective user ID is not the super-user.

     [EROFS]       The named file resides on a read-only file system.

     [EFAULT]      Path points outside the process's allocated address space.

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

     Fchflags() will fail if:

     [EBADF]       The descriptor is not valid.

     [EINVAL]      Fd refers to a socket, not to a file.

     [EPERM]       The effective user ID does not match the owner of the file


                   and the effective user ID is not the super-user.

     [EROFS]       The file resides on a read-only file system.

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

SEE ALSO
     chmod(2),  open(2),  chown(2),  stat(2)

HISTORY
     The chflags and fchflags function calls are currently under development.

BSDI BSD/386                    March 26, 1993                               2