SSL_CTX_set1_groups_list
if (SSL_CTX_set1_groups_list(ctx, s_client_config.groups_in) != 1) {
if (SSL_CTX_set1_groups_list(ctx, s_server_config.groups_in) != 1) {
int SSL_CTX_set1_groups_list(SSL_CTX *ctx, const char *groups);
#define SSL_CTX_set1_curves_list SSL_CTX_set1_groups_list
#define SSL_CTX_set1_groups_list SSL_CTX_set1_groups_list
return SSL_CTX_set1_groups_list(ctx, parg);