png_set_oFFs     2180 png.h          PNG_EXPORT(146, void, png_set_oFFs, (png_const_structrp png_ptr,
png_set_oFFs     2088 pngrutil.c        png_set_oFFs(png_ptr, info_ptr, offset_x, offset_y, unit_type);
png_set_oFFs     1181 pngtest.c               png_set_oFFs(write_ptr, write_info_ptr, offset_x, offset_y, unit_type);