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/* coment */

#if 1+1 < (-2*'a')
wawa
#elif 9<<1
#define wow 3
#else
boop
#endif

#define NULL ((void *)0)
int glob [ wow+wow];

struct foo {
    int x, y, z;
};

int test0(struct foo *foo) { return foo->x ? foo->y : foo->z; }
int test1(int x, int y, int z) { return x && y || z; }
int test2(int x, int y, int z) { return x || y && z; }

extern void f();
int test3(int x, int y) {
    if (x < 0 && y < 0 && 1) return x - y;
    if ((x == 0 || x > 0) && y > 0) return y;
    if (f(), x == y ? x && 1 : 0 || y) return x;
    return x + y;
}

int test4(int c) {
    return c == 'a' || c == 'x' ? 1
         : (f(), c == 'b' || c == 'y') ? 2
         : c == 'c' || c == 'z' ? 3
         : 0;
}

int test5(int *p)
{
    return p ? *p : 0;
}

int test6(int x)
{
    return !!!!x;
}

//