png_set_progressive_read_fn  164 contrib/gregbook/readpng2.c     png_set_progressive_read_fn(png_ptr, mainprog_ptr,
png_set_progressive_read_fn 5067 contrib/libtests/pngvalid.c          png_set_progressive_read_fn(pp, &d, standard_info, progressive_row,
png_set_progressive_read_fn 6118 contrib/libtests/pngvalid.c          png_set_progressive_read_fn(pp, &d, transform_info, progressive_row,
png_set_progressive_read_fn 8906 contrib/libtests/pngvalid.c          png_set_progressive_read_fn(pp, &d, gamma_info, progressive_row,
png_set_progressive_read_fn  651 example.c         png_set_progressive_read_fn(*png_ptr, (void *)stream_data,
png_set_progressive_read_fn 1836 png.h          PNG_EXPORT(90, void, png_set_progressive_read_fn, (png_structrp png_ptr,