BOX_C2_LOG        907 ext/gd/libgd/gd_topal.c #define BOX_C2_ELEMS  (1<<BOX_C2_LOG)
BOX_C2_LOG        911 ext/gd/libgd/gd_topal.c #define BOX_C2_SHIFT  (C2_SHIFT + BOX_C2_LOG)
BOX_C2_LOG       1231 ext/gd/libgd/gd_topal.c   c2 >>= BOX_C2_LOG;
BOX_C2_LOG       1260 ext/gd/libgd/gd_topal.c   c2 <<= BOX_C2_LOG;