pub unsafe extern "C" fn igBeginChild_Str(
str_id: *const c_char,
size: ImVec2_c,
child_flags: ImGuiChildFlags,
window_flags: ImGuiWindowFlags,
) -> boolpub unsafe extern "C" fn igBeginChild_Str(
str_id: *const c_char,
size: ImVec2_c,
child_flags: ImGuiChildFlags,
window_flags: ImGuiWindowFlags,
) -> bool