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/* ctype.c
* Character classification and conversion
* Copyright (C) 2000 Lineo, Inc.
* Written by Erik Andersen
* This file is part of the uC-Libc C library and is distributed
* under the GNU Library General Public License.
*/
#define USE_CTYPE_C_FUNCTIONS
#include <ctype.h>
int
isalnum( int c )
{
return (isalpha(c) || isdigit(c));
}
int
isalpha( int c )
{
return (isupper(c) || islower(c));
}
int
isascii( int c )
{
return (c > 0 && c <= 0x7f);
}
int
iscntrl( int c )
{
return ((c > 0) && ((c <= 0x1f) || (c == 0x7f)));
}
int
isdigit( int c )
{
return (c >= '0' && c <= '9');
}
int
isgraph( int c )
{
return (c != ' ' && isprint(c));
}
int
islower( int c )
{
return (c >= 'a' && c <= 'z');
}
int
isprint( int c )
{
return (c >= ' ' && c <= '~');
}
int
ispunct( int c )
{
return ((c > ' ' && c <= '~') && !isalnum(c));
}
int
isspace( int c )
{
return (c == ' ' || c == '\f' || c == '\n' || c == '\r' ||
c == '\t' || c == '\v');
}
int
isupper( int c )
{
return (c >= 'A' && c <= 'Z');
}
int
isxdigit( int c )
{
return (isxupper(c) || isxlower(c));
}
int
isxlower( int c )
{
return (isdigit(c) || (c >= 'a' && c <= 'f'));
}
int
isxupper( int c )
{
return (isdigit(c) || (c >= 'A' && c <= 'F'));
}
int
toascii( int c )
{
return (c & 0x7f);
}
int
tolower( int c )
{
return (isupper(c) ? ( c - 'A' + 'a') : (c));
}
int
toupper( int c )
{
return (islower(c) ? (c - 'a' + 'A') : (c));
}
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