ctype.h

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/*
 * doxygen note.
 * \@file uses include/ctype.h to differentiate from include/sys/ctype.h
 * Without this, neither file will be documented.
 */
 
 
#ifndef _CTYPE_H
#define _CTYPE_H
 
#if defined(__cplusplus)
extern "C" {
#endif
 
#include <sys/ctype.h>
 
  extern int isalnum(int c);
  extern int isalpha(int c);
  extern int isblank(int c);
  extern int iscntrl(int c);
  extern int isdigit(int c);
  extern int isgraph(int c);
  extern int islower(int c);
  extern int isprint(int c);
  extern int ispunct(int c);
  extern int isspace(int c);
  extern int isupper(int c);
  extern int isxdigit(int c);
 
  extern int tolower(int c);
  extern int toupper(int c);
 
 
#define __isctype(c, x) (__ctype_get(c) & x)
 
#define isalnum(c)     __isctype(c, _CTalnum)
 
#define isalpha(c)     __isctype(c, _CTalpha)
 
#define isblank(c)     __isctype(c, _CTb)
 
#define iscntrl(c)     __isctype(c, _CTc)
 
#ifdef __propeller__
/* on the Propeller, this is slightly faster/smaller than the array lookup! */
#define isdigit(c)     (((c)>='0')&&((c)<='9'))
#else
#define isdigit(c)     __isctype(c, _CTd)
#endif
 
#define isgraph(c)     (!__isctype(c, (_CTc|_CTs)) && (__ctype_get(c) != 0))
 
#ifdef __propeller__
#define islower(c)     (((c)>='a')&&((c)<='z'))
#else
#define islower(c)     __isctype(c, _CTl)
#endif
 
#define isprint(c)     (!__isctype(c, (_CTc)) && (__ctype_get(c) != 0))
 
#define ispunct(c)     __isctype(c, _CTp)
 
#define isspace(c)     __isctype(c, _CTs)
 
#ifdef __propeller__
#define isupper(c)     (((c)>='A')&&((c)<='Z'))
#else
#define isupper(c)     __isctype(c, _CTu)
#endif
 
#define isxdigit(c)    __isctype(c, _CTx)
 
int tolower(int c);
 
int toupper(int c);
 
#if defined(__cplusplus)
}
#endif
 
#endif