alignas           121 lib/stdalign.in.h # define alignas _Alignas
alignas            22 nt/inc/stdalign.h # define alignas _Alignas
alignas           249 src/lisp.h     # define alignas(a)
alignas           281 test/manual/etags/c-src/emacs/src/lisp.h # define alignas(alignment) /* empty */