int main(int argc, char **argv) { int var_int = -123; unsigned int var_unsigned = 1; long var_long = -999; unsigned long var_unsigned_long = 3; char var_char = '4'; unsigned char var_unsigned_char = '5'; float var_float = 3.14f; double var_double = 3.14 * 2.0; void *var_void = (void *) 0xdeadbeef; }