/******************************************************************************* Copyright(C) Jonas 'Sortie' Termansen 2011. This file is part of the Sortix C Library. The Sortix C Library is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. The Sortix C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the Sortix C Library. If not, see . ctype/toupper.c Converts the character to upper-case if it is lower-case. *******************************************************************************/ #include int toupper(int c) { if ( 'a' <= c && c <= 'z' ) return 'A' + c - 'a'; return c; }