Function gmp_mpfr_sys::gmp::__gmpz_gcdext

pub unsafe extern fn __gmpz_gcdext(g: *mut __mpz_struct,
                                   s: *mut __mpz_struct,
                                   t: *mut __mpz_struct,
                                   a: *const __mpz_struct,
                                   b: *const __mpz_struct)