source: trunk/libs/mini-libc/ctype.h @ 449

Last change on this file since 449 was 449, checked in by alain, 4 years ago

Introduce several missing user libs.

File size: 2.3 KB
Line 
1/*
2 * ctype.c - User level <ctype> library definition.
3 *
4 * Author     Alain Greiner (2016,2017,2018)
5 *
6 * Copyright (c) UPMC Sorbonne Universites
7 *
8 * This file is part of ALMOS-MKH.
9 *
10 * ALMOS-MKH is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2.0 of the License.
13 *
14 * ALMOS-MKH is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#ifndef _CTYPE_H_
25#define _CTYPE_H_
26
27/********************************************************************************************
28 * This file defines the user level character classification <ctype> library.
29 * These functions do not make any syscall.
30 *******************************************************************************************/
31
32
33/********************************************************************************************
34 * This function returns a lower case ASCII code if input is in [A...Z] range.
35 * It returns the input character when it is not in the [A...Z] range.
36 ********************************************************************************************
37 * @ c     : the 8 LSB bits define the character to be forced to lower case.
38 * @ return lower case ASCII code.
39 *******************************************************************************************/
40inline int tolower( int  c );
41
42/********************************************************************************************
43 * This function returns an upper case ASCII code if input is in [a...z] range.
44 * It returns the input character when it is not in the [a...z] range.
45 ********************************************************************************************
46 * @ c     : the 8 LSB bits define the character to be forced to upper case.
47 * @ return upper case ASCII code.
48 *******************************************************************************************/
49inline int toupper( int  c );
50
51
52#endif
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