Function libgit2_sys::git_cred_ssh_key_memory_new

pub unsafe extern "C" fn git_cred_ssh_key_memory_new(
    out: *mut *mut git_cred, 
    username: *const c_char, 
    publickey: *const c_char, 
    privatekey: *const c_char, 
    passphrase: *const c_char
) -> c_int