Function gio_sys::g_file_replace_contents

pub unsafe extern "C" fn g_file_replace_contents(
    file: *mut GFile, 
    contents: *mut u8, 
    length: size_t, 
    etag: *const c_char, 
    make_backup: gboolean, 
    flags: GFileCreateFlags, 
    new_etag: *mut *mut c_char, 
    cancellable: *mut GCancellable, 
    error: *mut *mut GError
) -> gboolean