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fdetach(3c)
fdetach(3C) Standard C Library Functions fdetach(3C)
NAME
fdetach - detach a name from a STREAMS-based file descriptor
SYNOPSIS
#include <stropts.h>
int fdetach(const char *path);
DESCRIPTION
The fdetach() function detaches a STREAMS-based file from the file to
which it was attached by a previous call to fattach(3C). The path argu‐
ment points to the pathname of the attached STREAMS file. The process
must have appropriate privileges or be the owner of the file. A suc‐
cessful call to fdetach() causes all pathnames that named the attached
STREAMS file to again name the file to which the STREAMS file was at‐
tached. All subsequent operations on path will operate on the underly‐
ing file and not on the STREAMS file.
All open file descriptions established while the STREAMS file was at‐
tached to the file referenced by path, will still refer to the STREAMS
file after the fdetach() has taken effect.
If there are no open file descriptors or other references to the
STREAMS file, then a successful call to fdetach() has the same effect
as performing the last close(2) on the attached file.
RETURN VALUES
Upon successful completion, fdetach() returns 0. Otherwise, it returns
−1 and sets errno to indicate the error.
ERRORS
The fdetach() function will fail if:
EACCES Search permission is denied on a component of the path
prefix.
EPERM The effective user ID is not the owner of path and the
process does not have appropriate privileges.
ENOTDIR A component of the path prefix is not a directory.
ENOENT A component of path does not name an existing file or
path is an empty string.
EINVAL The path argument names a file that is not currently
attached.
ENAMETOOLONG The size of a pathname exceeds PATH_MAX, or a pathname
component is longer than NAME_MAX while _POSIX_NO_TRUNC
is in effect.
ELOOP Too many symbolic links were encountered in resolving
path.
The fdetach() function may fail if:
ENAMETOOLONG Pathname resolution of a symbolic link produced an in‐
termediate result whose length exceeds PATH_MAX.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
TRIBUTE VALUE _ Interface StabilityStandard
SEE ALSO
close(2), fattach(3C), streamio(4I), attributes(7), standards(7), fde‐
tach(8)
STREAMS Programming Guide
Oracle Solaris 11.4 24 Jul 2002 fdetach(3C)