static void init_vlcs(FourXContext *f){ static int done = 0; int i; if (!done) { done = 1; for(i=0; i<4; i++){ init_vlc(&block_type_vlc[i], BLOCK_TYPE_VLC_BITS, 7, &block_type_tab[i][0][1], 2, 1, &block_type_tab[i][0][0], 2, 1); } } }