parseicmpspec
if (!($$.w = parseicmpspec($3, AF_INET))) {
if (!($$.w2 = parseicmpspec($3, AF_INET6))) {
if (!($$.w = parseicmpspec($3, AF_INET)) ||
!($$.w2 = parseicmpspec($5, AF_INET6))) {
u_int16_t parseicmpspec(char *, sa_family_t);