1.\" Copyright (c) 2002, 2003 Tim J. Robbins 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: head/lib/libc/locale/wcstod.3 115225 2003-05-22 13:02:28Z ru $ 26.\" 27.Dd December 25, 2013 28.Dt WCSTOD 3 29.Os 30.Sh NAME 31.Nm wcstof , 32.Nm wcstof_l , 33.Nm wcstod , 34.Nm wcstod_l , 35.Nm wcstold , 36.Nm wcstold_l 37.Nd convert string to 38.Vt float , double 39or 40.Vt "long double" 41.Sh LIBRARY 42.Lb libc 43.Sh SYNOPSIS 44.In wchar.h 45.Ft float 46.Fn wcstof "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" 47.Ft "long double" 48.Fn wcstold "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" 49.Ft double 50.Fn wcstod "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" 51.In xlocale.h 52.Ft float 53.Fn wcstof_l "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" "locale_t locale" 54.Ft "long double" 55.Fn wcstold_l "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" "locale_t locale" 56.Ft double 57.Fn wcstod_l "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" "locale_t locale" 58.Sh DESCRIPTION 59The 60.Fn wcstof , 61.Fn wcstof_l , 62.Fn wcstod , 63.Fn wcstod_l , 64.Fn wcstold , 65and 66.Fn wcstold_l 67functions are the wide-character versions of the 68.Fn strtof , 69.Fn strtof_l , 70.Fn strtod , 71.Fn strtod_l , 72.Fn strtold , 73and 74.Fn strtold_l 75functions. 76Refer to 77.Xr strtod 3 78for details. 79.Sh SEE ALSO 80.Xr strtod 3 , 81.Xr wcstol 3 , 82.Xr xlocale 3 83.Sh STANDARDS 84The 85.Fn wcstof , 86.Fn wcstod 87and 88.Fn wcstold 89functions conform to 90.St -isoC-99 . 91