static int parseaddr_ipv4(char **pp, union addr *a)
{ a->ipv4.s_addr = strtoul(*pp, pp, 16); return (0); }
#define PROCFILE_IPV6 "/proc/net/tcp6"
static int parseaddr_ipv4(char **pp, union addr *a)
{ a->ipv4.s_addr = strtoul(*pp, pp, 16); return (0); }
#define PROCFILE_IPV6 "/proc/net/tcp6"