if  (Verbose > 3)
if  (Verbose > 5)
int  Exact_Prefix_Match    (const char * s, const char * t, int max_len)//  Return the length of the longest exact prefix match of//  strings  s  and  t , not to exceed  max_len .  {   int  i;   if  (Verbose > 3)       {        fprintf (stderr, "In Exact_Prefix_Match  max_len = %d\n", max_len);        fprintf (stderr, "s :\n");        Fasta_Print (stderr, s, NULL);        fprintf (stderr, "t :\n");        Fasta_Print (stderr, t, NULL);       }   for  (i = 0;  i < max_len && s [i] == t [i];  i ++)     ;   if  (Verbose > 3)       {        fprintf (stderr, "Exact_Prefix_Match  return value = %d\n", i);       }   return  i;  }