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Manual Pages  — FHREADLINK

NAME

fhreadlink – read value of a symbolic link

CONTENTS

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 readlink() 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  The file handle fhp is no longer valid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

fhstat(2), fhlink(2),

FHREADLINK (2) March 30, 2020

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