Function gmp_mpfr_sys::mpc::mpc_set_fr_fr

pub unsafe extern fn mpc_set_fr_fr(rop: *mut __mpc_struct,
                                   op1: *const mpfr_t,
                                   op2: *const mpfr_t,
                                   rnd: mpc_rnd_t)
                                   -> c_int