/* Test whether a basic iswupper invocation works. */ #include #include "../basic.h" int main(void) { wchar_t wc1 = L'A'; wchar_t wc2 = L'a'; if ( !iswupper(wc1) ) errx(1, "iswupper('%lc') was not true", wc1); if ( iswupper(wc2) ) errx(1, "iswupper('%lc') was not false", wc2); return 0; }