lengthstr         780 modules/ip/ip.c IP_pref_f2b_v4(ip_prefix_t *prefptr, const char *prefixstr, const char *lengthstr)
lengthstr         820 modules/ip/ip.c IP_pref_f2b_v6(ip_prefix_t *prefptr, const char *msbstr, const char *lsbstr, const char *lengthstr)