wimboot/wimboot-2.7.3/src/ctype.h

   1 #ifndef _CTYPE_H
   2 #define _CTYPE_H
   3
   4 /*
   5  * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  20  * 02110-1301, USA.
  21  */
  22
  23 /**
  24  * @file
  25  *
  26  * Character types
  27  *
  28  */
  29
  30 static inline int islower ( int c ) {
  31         return ( ( c >= 'a' ) && ( c <= 'z' ) );
  32 }
  33
  34 static inline int isupper ( int c ) {
  35         return ( ( c >= 'A' ) && ( c <= 'Z' ) );
  36 }
  37
  38 static inline int toupper ( int c ) {
  39
  40         if ( islower ( c ) )
  41                 c -= ( 'a' - 'A' );
  42         return c;
  43 }
  44
  45 extern int isspace ( int c );
  46
  47 #endif /* _CTYPE_H */