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Command: fhreadlink | Section: 2 | Source: FreeBSD | File: fhreadlink.2.gz
FHREADLINK(2) FreeBSD System Calls Manual FHREADLINK(2)
NAME
fhreadlink - read value of a symbolic link
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <sys/param.h>
#include <sys/mount.h>
int
fhreadlink(fhandle_t *fhp, char *buf, size_t bufsize);
DESCRIPTION
The fhreadlink() system call places the contents of the symbolic link fhp
in the buffer buf, which has size bufsiz. The fhreadlink() system call
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
The fhreadlink() system call will fail if:
[ENOENT] The named file does not exist.
[ELOOP] Too many symbolic links were encountered in
translating the file handle fhp.
[EINVAL] The named file is not a symbolic link.
[EIO] An I/O error occurred while reading from the file
system.
[EINTEGRITY] Corrupted data was detected while reading from the
file system.
[EFAULT] The buf argument extends outside the process's
allocated address space.
[ESTALE] The file handle fhp is no longer valid
SEE ALSO
fhlink(2), fhstat(2)
HISTORY
The fhreadlink() system call first appeared in FreeBSD 12.1.
FreeBSD 14.1-RELEASE-p8 November 30, 2022 FreeBSD 14.1-RELEASE-p8