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FHREADLINK(2)		      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	trans-
			  lating 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 allo-
			  cated	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       [ESTALE]		  The file handle fhp is no longer valid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	14.3		       November	30, 2022		 FHREADLINK(2)

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<https://man.freebsd.org/cgi/man.cgi?query=fhreadlink&sektion=2&manpath=FreeBSD+14.3-RELEASE+and+Ports>

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