xdl_guess_lines 279 xdiff/xprepare.c enl1 = xdl_guess_lines(mf1, sample) + 1; xdl_guess_lines 280 xdiff/xprepare.c enl2 = xdl_guess_lines(mf2, sample) + 1; xdl_guess_lines 34 xdiff/xutils.h long xdl_guess_lines(mmfile_t *mf, long sample);