76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* IS*() string functions
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*
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* Copyright 1999 Antonio Linares <alinares@fivetech.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version, with one exception:
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*
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* The exception is that if you link the Harbour Runtime Library (HRL)
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* and/or the Harbour Virtual Machine (HVM) with other files to produce
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* an executable, this does not by itself cause the resulting executable
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* to be covered by the GNU General Public License. Your use of that
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* executable is in no way restricted on account of linking the HRL
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* and/or HVM code into it.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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* their web site at http://www.gnu.org/).
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*
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*/
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#include <ctype.h>
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#include "hbapi.h"
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/* determines if first char of string is letter */
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/* TEST: QOUT( "isalpha( 'hello' ) = ", isalpha( 'hello' ) ) */
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/* TEST: QOUT( "isalpha( '12345' ) = ", isalpha( '12345' ) ) */
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HB_FUNC( ISALPHA )
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{
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hb_retl( isalpha( *hb_parc( 1 ) ) );
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}
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/* determines if first char of string is digit */
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/* TEST: QOUT( "isdigit( '12345' ) = ", isdigit( '12345' ) ) */
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/* TEST: QOUT( "isdigit( 'abcde' ) = ", isdigit( 'abcde' ) ) */
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HB_FUNC( ISDIGIT )
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{
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hb_retl( isdigit( *hb_parc( 1 ) ) );
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}
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/* determines if first char of string is upper-case */
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/* TEST: QOUT( "isupper( 'Abcde' ) = ", isupper( 'Abcde' ) ) */
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/* TEST: QOUT( "isupper( 'abcde' ) = ", isupper( 'abcde' ) ) */
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HB_FUNC( ISUPPER )
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{
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hb_retl( isupper( *hb_parc( 1 ) ) );
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}
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/* determines if first char of string is lower-case */
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/* TEST: QOUT( "islower( 'abcde' ) = ", islower( 'abcde' ) ) */
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/* TEST: QOUT( "islower( 'Abcde' ) = ", islower( 'Abcde' ) ) */
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HB_FUNC( ISLOWER )
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{
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hb_retl( islower( *hb_parc( 1 ) ) );
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}
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