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