Function openssl_sys::EVP_PKEY_CTX_set1_hkdf_salt
pub unsafe fn EVP_PKEY_CTX_set1_hkdf_salt(ctx: *mut EVP_PKEY_CTX, salt: *const u8, saltlen: c_int) -> c_intThe portability is definied by:
#[cfg(all(ossl110, not(ossl300)))]