getfh man page on FreeBSD

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GETFH(2)		    BSD System Calls Manual		      GETFH(2)

NAME
     getfh, lgetfh — get file handle

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <sys/param.h>
     #include <sys/mount.h>

     int
     getfh(const char *path, fhandle_t *fhp);

     int
     lgetfh(const char *path, fhandle_t *fhp);

DESCRIPTION
     The getfh() system call returns a file handle for the specified file or
     directory in the file handle pointed to by fhp.  The lgetfh() system call
     is like getfh() except in the case where the named file is a symbolic
     link, in which case lgetfh() returns information about the link, while
     getfh() returns information about the file the link references.  These
     system calls are restricted to the superuser.

RETURN VALUES
     Upon successful completion, the value 0 is returned; otherwise the
     value -1 is returned and the global variable errno is set to indicate the
     error.

ERRORS
     The getfh() and lgetfgh() system calls fail if one or more of the follow‐
     ing are true:

     [ENOTDIR]		A component of the path prefix of path is not a direc‐
			tory.

     [ENAMETOOLONG]	The length of a component of path exceeds 255 charac‐
			ters, or the length of path exceeds 1023 characters.

     [ENOENT]		The file referred to by path does not exist.

     [EACCES]		Search permission is denied for a component of the
			path prefix of path.

     [ELOOP]		Too many symbolic links were encountered in translat‐
			ing path.

     [EFAULT]		The fhp argument points to an invalid address.

     [EIO]		An I/O error occurred while reading from or writing to
			the file system.

HISTORY
     The getfh() system call first appeared in 4.4BSD.

BSD				 April 6, 2004				   BSD
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