niggerliscous.c

// niggerlicous.c
// now compatible with gcc-4.4.7, clang-8.0.0, clang-6.0.1
// -std=c99 flag not required

int printf(const char*, ...); /* <stdio.h> */

#define STOP (-1)
#define LONG 123

#define PRINT(array) do {                  \
    printf("%-8s:", #array);               \
    int $i;                                \
    for($i = 0; array[$i] != STOP; $i++) { \
        if($i) printf(", %d", array[$i]);  \
        else   printf(" [%d", array[$i]);  \
    }                                      \
    printf("]\n");                         \
} while(0)

int main() {
    int Ints[] = { 0, 1, 2, 3, 4, 5, STOP };
    int Evens[LONG], Odds[LONG], Squares[LONG];
    int *i, *e, *o, *s;

    for(i = Ints, e = Evens, o = Odds, s = Squares; *i != STOP; i++)
    {
        if(*i % 2) *o++ = *i;
        else       *e++ = *i;
        *s++ = (*i)*(*i);
    }
    *e = *o = *s = STOP;

    PRINT(Ints); PRINT(Evens); PRINT(Odds); PRINT(Squares);
    return 0;
}