Function openssl_sys::EVP_PKEY_CTX_set0_rsa_oaep_label
pub unsafe fn EVP_PKEY_CTX_set0_rsa_oaep_label(ctx: *mut EVP_PKEY_CTX, label: *mut c_void, len: c_int) -> c_int
The portability is definied by:
#[cfg(any(ossl102, libressl310))]