107    (((png_uint_32)PNG_u2(b1, b2) << 16) + PNG_u2(b3, b4))
185    png_uint_32 flag;
186    png_uint_32 tag;
369 find_by_flag(png_uint_32 flag)  in find_by_flag()
399    png_uint_32 before_IDAT;
400    png_uint_32 after_IDAT;
479 static png_uint_32
482    png_uint_32 flags = png_get_valid(d->png_ptr, info_ptr, (png_uint_32)~0);  in get_valid()
487       png_uint_32 ntext = png_get_text(d->png_ptr, info_ptr, &text, NULL);  in get_valid()
564       png_uint_32 flag = chunk_info[chunk].flag;  in read_callback()
585 static png_uint_32
589    png_uint_32 flags = 0;  in get_unknown()
638 static png_uint_32
664    png_uint_32 height;  in check()
834          png_uint_32 width = png_get_image_width(d->png_ptr, d->info_ptr);  in check()
838             png_uint_32 wPass = PNG_PASS_COLS(width, ipass);  in check()
842                png_uint_32 y;  in check()
852          png_uint_32 y;  in check()
877 check_error(display *d, png_uint_32 flags, const char *message)  in check_error()
881       png_uint_32 flag = flags & -(png_int_32)flags;  in check_error()
893 check_handling(display *d, int def, png_uint_32 chunks, png_uint_32 known,  in check_handling()
894    png_uint_32 unknown, const char *position, int set_callback)  in check_handling()
898       png_uint_32 flag = chunks & -(png_int_32)chunks;  in check_handling()
1012    png_uint_32 *default_flags, display *d, int set_callback)  in perform_one_test()
1015    png_uint_32 flags[2][4];  in perform_one_test()
1053       png_uint_32 test;  in perform_one_test()
1077    png_uint_32 *default_flags, display *d, const char *test)  in perform_one_test_safe()
1118    png_uint_32 default_flags[4/*valid,unknown{before,after}*/];  in main()