Function jit_is_enum_variant_safe 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn jit_is_enum_variant_safe(
    value_ptr: *const Value,
    enum_name_ptr: *const u8,
    enum_name_len: usize,
    variant_name_ptr: *const u8,
    variant_name_len: usize,
) -> u8