dview_fopen       903 src/diffviewer/ydiff.c     f = dview_fopen (filename, O_RDONLY);
dview_fopen      2405 src/diffviewer/ydiff.c         f[DIFF_LEFT] = dview_fopen (file1, O_RDONLY);
dview_fopen      2409 src/diffviewer/ydiff.c         f[DIFF_RIGHT] = dview_fopen (file2, O_RDONLY);