SNAMLEN
snprintf(s, SNAMLEN, "%u.%u.%u.%u", a[0], a[1], a[2], a[3]);
snprintf(s, SNAMLEN, "default");
snprintf(s, SNAMLEN, "%u.%u.%u.%u/%d", a[0], a[1], a[2], a[3], bits);
snprintf(s, SNAMLEN, "%u.%u.%u/%d", a[0], a[1], a[2], bits);
snprintf(s, SNAMLEN, "%u.%u/%d", a[0], a[1], bits);
snprintf(s, SNAMLEN, "%u/%d", a[0], bits);
char s1[SNAMLEN]; /* buffers to hold the string representations */
char s2[SNAMLEN]; /* of IP addresses, to be passed to inet_fmt() */
char s3[SNAMLEN]; /* or inet_fmts(). */
char s4[SNAMLEN];