Content of RPM nx-proto-devel-3.5.99.27-6.fc42.x86_64.rpm :
/usr/include/nx-X11
/usr/include/nx-X11/DECkeysym.h
/usr/include/nx-X11/HPkeysym.h
/usr/include/nx-X11/Sunkeysym.h
/usr/include/nx-X11/X.h
/usr/include/nx-X11/XF86keysym.h
/usr/include/nx-X11/Xarch.h
/usr/include/nx-X11/Xatom.h
/usr/include/nx-X11/Xdefs.h
/usr/include/nx-X11/Xfuncproto.h
/usr/include/nx-X11/Xfuncs.h
/usr/include/nx-X11/Xmd.h
/usr/include/nx-X11/Xos.h
/usr/include/nx-X11/Xos_r.h
/usr/include/nx-X11/Xosdefs.h
/usr/include/nx-X11/Xpoll.h
/usr/include/nx-X11/Xproto.h
/usr/include/nx-X11/Xprotostr.h
/usr/include/nx-X11/Xthreads.h
/usr/include/nx-X11/extensions/XI.h
/usr/include/nx-X11/extensions/XIproto.h
/usr/include/nx-X11/extensions/XResproto.h
/usr/include/nx-X11/extensions/Xdbeproto.h
/usr/include/nx-X11/extensions/bigreqstr.h
/usr/include/nx-X11/extensions/composite.h
/usr/include/nx-X11/extensions/compositeproto.h
/usr/include/nx-X11/extensions/damageproto.h
/usr/include/nx-X11/extensions/damagewire.h
/usr/include/nx-X11/extensions/dpms.h
/usr/include/nx-X11/extensions/dpmsstr.h
/usr/include/nx-X11/extensions/panoramiXproto.h
/usr/include/nx-X11/extensions/randr.h
/usr/include/nx-X11/extensions/randrproto.h
/usr/include/nx-X11/extensions/record.h
/usr/include/nx-X11/extensions/recordstr.h
/usr/include/nx-X11/extensions/render.h
/usr/include/nx-X11/extensions/renderproto.h
/usr/include/nx-X11/extensions/saver.h
/usr/include/nx-X11/extensions/saverproto.h
/usr/include/nx-X11/extensions/security.h
/usr/include/nx-X11/extensions/securstr.h
/usr/include/nx-X11/extensions/shapeconst.h
/usr/include/nx-X11/extensions/sync.h
/usr/include/nx-X11/extensions/syncstr.h
/usr/include/nx-X11/extensions/xcmiscstr.h
/usr/include/nx-X11/extensions/xf86bigfont.h
/usr/include/nx-X11/extensions/xf86bigfproto.h
/usr/include/nx-X11/extensions/xfixesproto.h
/usr/include/nx-X11/extensions/xfixeswire.h
/usr/include/nx-X11/extensions/xtestconst.h
/usr/include/nx-X11/extensions/xteststr.h
/usr/include/nx-X11/keysym.h
/usr/include/nx-X11/keysymdef.h