avs_is_writable   454 compat/avisynth/avisynth_c.h         if (avs_is_writable(p)) {
avs_is_writable   463 compat/avisynth/avisynth_c.h         if (plane==AVS_PLANAR_Y && avs_is_writable(p)) {
avs_is_writable   397 compat/avisynth/avxsynth_c.h         if (avs_is_writable(p)) {
avs_is_writable   406 compat/avisynth/avxsynth_c.h         if (plane==AVS_PLANAR_Y && avs_is_writable(p)) {