xfreopen            2 lib/xfreopen.h void xfreopen (char const *filename, char const *mode, FILE *fp);
xfreopen          296 src/cmp.c      	    xfreopen (NULL, "rb", stdin);
xfreopen          528 src/diff.c     	    xfreopen (NULL, "wb", stdout);
xfreopen         1111 src/diff.c     		xfreopen (NULL, "rb", stdin);
xfreopen          390 src/diff3.c          xfreopen (file[rev_mapping[FILE0]], "r", stdin);