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