.\" Copyright (c) 1989 The Regents of the University of California.
.\" %sccs.include.redist.roff%
.\" @(#)chflags.2 8.1 (Berkeley) %G%
.Fd #include <sys/stat.h>
.Fn chflags "const char *path" "u_long flags"
.Fn fchflags "int fd" "u_long flags"
or referenced by the descriptor
The flags specified are formed by
.Bl -tag -width "SF_IMMUTABLE" -compact -offset indent
The file may not be changed.
The file may only be appended to.
The file may not be changed.
The file may only be appended to.
flags may be set or unset by either the owner of a file or the super-user.
flags may only be set or unset by the super-user.
They may be set at any time, but normally may only be unset when
the system is in single-user mode.
Upon successful completion, a value of 0 is returned.
Otherwise, -1 is returned and the global variable
is set to indicate the error.
A component of the path prefix is not a directory.
The pathname contains a character with the high-order bit set.
A component of a pathname exceeded 255 characters,
or an entire path name exceeded 1023 characters.
The named file does not exist.
Search permission is denied for a component of the path prefix.
Too many symbolic links were encountered in translating the pathname.
The effective user ID does not match the owner of the file and
the effective user ID is not the super-user.
The named file resides on a read-only file system.
points outside the process's allocated address space.
error occurred while reading from or writing to the file system.
The descriptor is not valid.
refers to a socket, not to a file.
The effective user ID does not match the owner of the file and
the effective user ID is not the super-user.
The file resides on a read-only file system.
error occurred while reading from or writing to the file system.