png_set_progressive_read_fn 1752 third_party/libpng/pngpread.c png_set_progressive_read_fn(png_structp png_ptr, png_voidp progressive_ptr,
png_set_progressive_read_fn  406 third_party/libpng/pngusr.h #define png_set_progressive_read_fn     wk_png_set_progressive_read_fn