secp256k1_sys

Function secp256k1_xonly_pubkey_parse

Source 
pub unsafe extern "C" fn secp256k1_xonly_pubkey_parse(
    cx: *const Context,
    pubkey: *mut XOnlyPublicKey,
    input32: *const c_uchar,
) -> c_int
Available on non-secp256k1_fuzz only.