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from lpython import CPtr, empty_c_void_p, i32, f32, dataclass, Pointer, ccall, p_c_pointer, pointer

@dataclass

class Void:

data: CPtr

@ccall

def trunc_custom(value: Pointer[CPtr]) -> CPtr:

pass

@ccall

def print_value(value: CPtr):

pass

def test_trunc():

float_cptr: CPtr = empty_c_void_p()

float_obj: f32 = f32(1.3)

p_c_pointer(pointer(float_obj), float_cptr)

voidobj: Void = Void(float_cptr)

voidobj.data = trunc_custom(pointer(voidobj.data))

print_value(voidobj.data)

test_trunc()