CHOP             1460 3rdparty/libpng/pngrtran.c       CHOP(png_ptr->background.red);
CHOP             1461 3rdparty/libpng/pngrtran.c       CHOP(png_ptr->background.green);
CHOP             1462 3rdparty/libpng/pngrtran.c       CHOP(png_ptr->background.blue);
CHOP             1463 3rdparty/libpng/pngrtran.c       CHOP(png_ptr->background.gray);
CHOP               37 3rdparty/zlib/adler32.c         CHOP(a); \
CHOP               42 3rdparty/zlib/adler32.c         CHOP(a); \