fmid              194 maint/gnulib/lib/diffseq.h   const OFFSET fmid = xoff - yoff;      /* Center diagonal of top-down search. */
fmid              196 maint/gnulib/lib/diffseq.h   OFFSET fmin = fmid;
fmid              197 maint/gnulib/lib/diffseq.h   OFFSET fmax = fmid;           /* Limits of top-down search. */
fmid              201 maint/gnulib/lib/diffseq.h   bool odd = (fmid - bmid) & 1; /* True if southeast corner is on an odd
fmid              204 maint/gnulib/lib/diffseq.h   fd[fmid] = xoff;
fmid              302 maint/gnulib/lib/diffseq.h                 OFFSET dd = d - fmid;