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.Dd February 22, 2003 26.Dt WCSTOD 3 27.Os 28.Sh NAME 29.Nm wcstof , 30.Nm wcstod , 31.Nm wcstold 32.Nd convert string to 33.Vt float , double 34or 35.Vt "long double" 36.Sh LIBRARY 37.Lb libc 38.Sh SYNOPSIS 39.In wchar.h 40.Ft float 41.Fn wcstof "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" 42.Ft "long double" 43.Fn wcstold "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" 44.Ft double 45.Fn wcstod "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" 46.Sh DESCRIPTION 47The 48.Fn wcstof , 49.Fn wcstod 50and 51.Fn wcstold 52functions are the wide-character versions of the 53.Fn strtof , 54.Fn strtod 55and 56.Fn strtold 57functions. 58Refer to 59.Xr strtod 3 60for details. 61.Sh SEE ALSO 62.Xr strtod 3 , 63.Xr wcstol 3 64.Sh STANDARDS 65The 66.Fn wcstof , 67.Fn wcstod 68and 69.Fn wcstold 70functions conform to 71.St -isoC-99 . 72