OSSL_PARAM_BLD *OSSL_PARAM_BLD_new(void);
OSSL_PARAM *OSSL_PARAM_BLD_to_param(OSSL_PARAM_BLD *bld);
void OSSL_PARAM_BLD_free(OSSL_PARAM_BLD *bld);
-void OSSL_PARAM_BLD_free_params(OSSL_PARAM *params);
int OSSL_PARAM_BLD_push_int(OSSL_PARAM_BLD *bld, const char *key, int val);
int OSSL_PARAM_BLD_push_uint(OSSL_PARAM_BLD *bld, const char *key,