iswupper (3) Linux Manual Page
iswupper – test for uppercase wide character Synopsis#include <wctype.h> int iswupper(wint_t wc);DescriptionThe iswupper() function is the wide-character equivalent of the isupper(3) function. It tests whether wc is a wide character belonging to the wide-character class "upper". The wide-character class "upper" is a subclass of the wide-character class "alpha", and therefore also a subclass of the…
