Function zebra_script::sighash

pub(crate) extern "C" fn sighash(
    sighash_out: *mut u8,
    sighash_out_len: c_uint,
    ctx: *const c_void,
    script_code: *const u8,
    script_code_len: c_uint,
    hash_type: c_int,
)

The sighash callback to use with zcash_script.