Function openssl_sys::EC_GROUP_get_curve_GFp

pub unsafe extern fn EC_GROUP_get_curve_GFp(group: *const EC_GROUP,
                                            p: *mut BIGNUM,
                                            a: *mut BIGNUM,
                                            b: *mut BIGNUM,
                                            ctx: *mut BN_CTX)
                                            -> c_int