diff options
Diffstat (limited to 'lib/libc/ctype/isxdigit.c')
-rw-r--r-- | lib/libc/ctype/isxdigit.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/libc/ctype/isxdigit.c b/lib/libc/ctype/isxdigit.c new file mode 100644 index 0000000..2b55d1a --- /dev/null +++ b/lib/libc/ctype/isxdigit.c @@ -0,0 +1,21 @@ +/****************************************************************************** + * Copyright (c) 2004, 2007 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + +#include <ctype.h> + +int isxdigit(int ch) +{ + return ( + (ch >= '0' && ch <= '9') | + (ch >= 'A' && ch <= 'F') | + (ch >= 'a' && ch <= 'f') ); +} |