printf("Hello world\n");

int Count;
for (Count = -5; Count <= 5; Count++)
    printf("Count = %d\n", Count);

printf("String 'hello', 'there' is '%s', '%s'\n", "hello", "there");
printf("Character 'A' is '%c'\n", 65);
printf("Character 'a' is '%c'\n", 'a');