getfh man page on DragonFly

getfh man page on DragonFly

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

NAME
     getfh — 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);

DESCRIPTION
     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
     superuser.

RETURN VALUES
     The getfh() function returns the value 0 if successful; otherwise the
     value -1 is returned and the global variable errno is set to indicate the
     error.

ERRORS
     Getfh() fails if one or more of the following 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]		Fhp points to an invalid address.

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

HISTORY
     The getfh() function first appeared in 4.4BSD.

BSD				 June 9, 1993				   BSD

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