FCLOSE            864 pngtest.c            FCLOSE(fpin);
FCLOSE            918 pngtest.c            FCLOSE(fpin);
FCLOSE            919 pngtest.c            FCLOSE(fpout);
FCLOSE            934 pngtest.c            FCLOSE(fpin);
FCLOSE            935 pngtest.c            FCLOSE(fpout);
FCLOSE           1550 pngtest.c         FCLOSE(fpin);
FCLOSE           1551 pngtest.c         FCLOSE(fpout);
FCLOSE           1597 pngtest.c            FCLOSE(fpin);
FCLOSE           1631 pngtest.c                  FCLOSE(fpin);
FCLOSE           1632 pngtest.c                  FCLOSE(fpout);
FCLOSE           1662 pngtest.c                  FCLOSE(fpin);
FCLOSE           1663 pngtest.c                  FCLOSE(fpout);
FCLOSE           1680 pngtest.c         FCLOSE(fpin);
FCLOSE           1681 pngtest.c         FCLOSE(fpout);