getfh man page on 4.4BSD

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

     getfh — get file handle

     #include <sys/types.h>
     #include <sys/mount.h>

     getfh(char *path, fhandle_t *fhp);

     Getfh() returns a file handle for the specified file or directory in the
     file handle pointed to by fhp.  This system call is restricted to the

     Upon successful completion, a value of 0 is returned.  Otherwise, -1 is
     returned and the global variable errno is set to indicate the error.

     Getfh() fails if one or more of the following are true:

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

     [EINVAL]		path contains a character with the high-order bit set.

     [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]		Fhp points to an invalid address.

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

     The getfh function first appeared in 4.4BSD.

BSD				 June 9, 1993				   BSD

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