[manjaro-gnome home]# pacman -Qs headers
local/acl 2.2.52-3
    Access control list utilities, libraries and headers
local/boost 1.64.0-4
    Free peer-reviewed portable C++ source libraries - development headers
local/libcups 2.2.4-2
    The CUPS Printing System - client libraries and headers
local/linux-api-headers 4.10.1-1
    Kernel headers sanitized for use in userspace
local/linux49-headers 4.9.39-1
    Header files and scripts for building modules for Linux49 kernel
local/opencl-headers 2:2.2.20170516-1
    OpenCL (Open Computing Language) header files
local/xproto 7.0.31-1
    X11 core wire protocol and auxiliary headers