x11::xlib::XcmsSetCompressionProc

pub unsafe extern fn XcmsSetCompressionProc(_3: XcmsCCC, _2: Option<unsafe  extern "C" fn(XcmsCCC, *mut XcmsColor, c_uint, c_uint, *mut c_int) -> c_int>, _1: *mut c_char) -> Option<unsafe  extern "C" fn(XcmsCCC, *mut XcmsColor, c_uint, c_uint, *mut c_int) -> c_int>