#include <wchar.h>
extern const wchar_info_t unicode[];
//! Returns true if the specified character is lower-case.
/*
* Use towlower to obtain the lower-case version of a character.
* Not all character sets distinguish between upper and lower case.
* \param c Specifies the character to test.
*/
int iswlower(wint_t c)
{
return unicode[c].lower == c;
}