f_open            870 src/diffviewer/ydiff.c     f = f_open (filename, O_RDONLY);
f_open           2417 src/diffviewer/ydiff.c         f[DIFF_LEFT] = f_open (file1, O_RDONLY);
f_open           2421 src/diffviewer/ydiff.c         f[DIFF_RIGHT] = f_open (file2, O_RDONLY);