// extern function
extern void printInt(int val);

// extern variable
extern int ext;

// static functions with all possible return types
bool  bfoo() { return true; }
int   ifoo() { return 1; }
float ffoo() { return 1.0; }
void  vfoo() {}

// function with parameters
int bar(int a, float b) {
    return a + (int)b;  // typecast
}
void baz(bool a) {}

// exported function
export int main() {
    // regular vardec
    bool uninitialized;
    int i;
    int a;
    int b;
    int c;

    // initialized vardec
    float initialized = 2.5;

    uninitialized = false;  // assignment
    vfoo();                 // funcall

    // if-statement
    if (bfoo()) {
        i = 1;
    }

    if (bfoo())
        i = 1;

    // if-else statement
    if (bfoo()) {
        i = 2;
    } else {
        i = 3;
    }

    if (bfoo())
        i = 2;
    else
        i = 3;

    if (bfoo())
        i = 2;
    else if (bfoo())
        i = 3;
    else
        i = 4;

    // while-loop
    while (bfoo()) {
        vfoo();
    }

    while (bfoo())
        vfoo();

    // do-while-loop
    do {
        vfoo();
    } while (bfoo());

    do vfoo(); while (bfoo());

    // for-loop
    for (int i = 0, 10) {
        vfoo();
    }

    for (int i = 0, 10, 2) {
        vfoo();
    }

    for (int i = a, b, c) baz((bool)i);

    // expressions (check precedences by hand!)
    i = a + (b * c % i) / c - -10;
    if (i < 0 || i > 100)
        if (i >= 0 && i <= 100 || i != 0 && i != 100)
            i = -i;

    // return statement
    return 0;
}