APPEND_NUMBER     720 png.c                APPEND_NUMBER(PNG_NUMBER_FORMAT_u, (unsigned)ptime->day);
APPEND_NUMBER     724 png.c                APPEND_NUMBER(PNG_NUMBER_FORMAT_u, ptime->year);
APPEND_NUMBER     726 png.c                APPEND_NUMBER(PNG_NUMBER_FORMAT_02u, (unsigned)ptime->hour);
APPEND_NUMBER     728 png.c                APPEND_NUMBER(PNG_NUMBER_FORMAT_02u, (unsigned)ptime->minute);
APPEND_NUMBER     730 png.c                APPEND_NUMBER(PNG_NUMBER_FORMAT_02u, (unsigned)ptime->second);