#include <exec/types.h>
#include <ctype.h>
#include <stdio.h>
#include <linklibs/nisse.h>

IF aisupper("D") THEN
    printf("It's an upper\n")
ELSE
    printf("No upper\n")
END IF
IF isupper(ToAsc("C")) THEN
    printf("It's an upper\n")
ELSE
    printf("No upper\n")
END IF