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-.\" Copyright (c) 1990, 1991, 1993
-.\"	The Regents of the University of California.  All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\"    notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\"    notice, this list of conditions and the following disclaimer in the
-.\"    documentation and/or other materials provided with the distribution.
-.\" 4. Neither the name of the University nor the names of its contributors
-.\"    may be used to endorse or promote products derived from this software
-.\"    without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\"     @(#)fgetln.3	8.3 (Berkeley) 4/19/94
-.\" $FreeBSD$
-.\"
-.Dd July 16, 2004
-.Dt FGETWLN 3
-.Os
-.Sh NAME
-.Nm fgetwln
-.Nd get a line of wide characters from a stream
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In stdio.h
-.In wchar.h
-.Ft wchar_t *
-.Fn fgetwln "FILE * restrict stream" "size_t * restrict len"
-.Sh DESCRIPTION
-The
-.Fn fgetwln
-function
-returns a pointer to the next line from the stream referenced by
-.Fa stream .
-This line is
-.Em not
-a standard wide character string as it does not end with a terminating
-null wide character.
-The length of the line, including the final newline,
-is stored in the memory location to which
-.Fa len
-points.
-(Note, however, that if the line is the last
-in a file that does not end in a newline,
-the returned text will not contain a newline.)
-.Sh RETURN VALUES
-Upon successful completion a pointer is returned;
-this pointer becomes invalid after the next
-.Tn I/O
-operation on
-.Fa stream
-(whether successful or not)
-or as soon as the stream is closed.
-Otherwise,
-.Dv NULL
-is returned.
-The
-.Fn fgetwln
-function
-does not distinguish between end-of-file and error; the routines
-.Xr feof 3
-and
-.Xr ferror 3
-must be used
-to determine which occurred.
-If an error occurs, the global variable
-.Va errno
-is set to indicate the error.
-The end-of-file condition is remembered, even on a terminal, and all
-subsequent attempts to read will return
-.Dv NULL
-until the condition is
-cleared with
-.Xr clearerr 3 .
-.Pp
-The text to which the returned pointer points may be modified,
-provided that no changes are made beyond the returned size.
-These changes are lost as soon as the pointer becomes invalid.
-.Sh ERRORS
-.Bl -tag -width Er
-.It Bq Er EBADF
-The argument
-.Fa stream
-is not a stream open for reading.
-.El
-.Pp
-The
-.Fn fgetwln
-function
-may also fail and set
-.Va errno
-for any of the errors specified for the routines
-.Xr mbrtowc 3 ,
-.Xr realloc 3 ,
-or
-.Xr read 2 .
-.Sh SEE ALSO
-.Xr ferror 3 ,
-.Xr fgetln 3 ,
-.Xr fgetws 3 ,
-.Xr fopen 3