OSSL_DRBG_PARAM_USE_DF
if (OSSL_PARAM_locate_const(settables, OSSL_DRBG_PARAM_USE_DF))
*p++ = OSSL_PARAM_construct_int(OSSL_DRBG_PARAM_USE_DF, &use_df);
p = OSSL_PARAM_locate(params, OSSL_DRBG_PARAM_USE_DF);
OSSL_PARAM_int(OSSL_DRBG_PARAM_USE_DF, NULL),
if ((p = OSSL_PARAM_locate_const(params, OSSL_DRBG_PARAM_USE_DF)) != NULL
OSSL_PARAM_int(OSSL_DRBG_PARAM_USE_DF, NULL),
params[0] = OSSL_PARAM_construct_int(OSSL_DRBG_PARAM_USE_DF,
*p++ = OSSL_PARAM_construct_int(OSSL_DRBG_PARAM_USE_DF, &expected->use_df);