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-.\" Copyright (c) 1990, 1991, 1993
-.\"	The Regents of the University of California.  All rights reserved.
-.\"
-.\" This code is derived from software contributed to Berkeley by
-.\" Chris Torek and the American National Standards Committee X3,
-.\" on Information Processing Systems.
-.\"
-.\" 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
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-.\" SUCH DAMAGE.
-.\"
-.\"     @(#)fgets.3	8.1 (Berkeley) 6/4/93
-.\" FreeBSD: src/lib/libc/stdio/fgets.3,v 1.16 2002/05/31 05:01:17 archie Exp
-.\" $FreeBSD: src/lib/libc/stdio/fgetws.3,v 1.4 2007/01/09 00:28:06 imp Exp $
-.\"
-.Dd August 6, 2002
-.Dt FGETWS 3
-.Os
-.Sh NAME
-.Nm fgetws ,
-.Nm fgetws_l
-.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 *"
-.Fo fgetws
-.Fa "wchar_t *restrict ws"
-.Fa "int n"
-.Fa "FILE *restrict stream"
-.Fc
-.In stdio.h
-.In wchar.h
-.In xlocale.h
-.Ft "wchar_t *"
-.Fo fgetws_l
-.Fa "wchar_t *restrict ws"
-.Fa "int n"
-.Fa "FILE *restrict stream"
-.Fa "locale_t loc"
-.Fc
-.Sh DESCRIPTION
-The
-.Fn fgetws
-function
-reads at most one less than the number of characters specified by
-.Fa n
-from the given
-.Fa stream
-and stores them in the wide character string
-.Fa ws .
-Reading stops when a newline character is found,
-at end-of-file or error.
-The newline, if any, is retained.
-If any characters are read and there is no error, a
-.Ql \e0
-character is appended to end the string.
-.Pp
-While the
-.Fn fgetws
-function uses the current locale, the
-.Fn fgetws_l
-function may be passed a locale directly. See
-.Xr xlocale 3
-for more information.
-.Sh RETURN VALUES
-Upon successful completion,
-.Fn fgetws
-returns
-.Fa ws .
-If end-of-file occurs before any characters are read,
-.Fn fgetws
-returns
-.Dv NULL
-and the buffer contents remain unchanged.
-If an error occurs,
-.Fn fgetws
-returns
-.Dv NULL
-and the buffer contents are indeterminate.
-The
-.Fn fgetws
-function
-does not distinguish between end-of-file and error;
-callers must use
-.Xr feof 3
-and
-.Xr ferror 3
-to determine which occurred.
-.Sh ERRORS
-The
-.Fn fgetws
-function will fail if:
-.Bl -tag -width Er
-.It Bq Er EBADF
-The given
-.Fa stream
-argument is not a readable stream.
-.It Bq Er EILSEQ
-The data obtained from the input stream does not form a valid
-multibyte character.
-.El
-.Pp
-The function
-.Fn fgetws
-may also fail and set
-.Va errno
-for any of the errors specified for the routines
-.Xr fflush 3 ,
-.Xr fstat 2 ,
-.Xr read 2 ,
-or
-.Xr malloc 3 .
-.Sh SEE ALSO
-.Xr feof 3 ,
-.Xr ferror 3 ,
-.Xr fgets 3 ,
-.Xr xlocale 3
-.Sh STANDARDS
-The
-.Fn fgetws
-function
-conforms to
-.St -p1003.1-2001 .