build failure on solaris
has been reported serveral times already. Later solaris versions don't come with
inet_aton and instead require inet_pton instead. A simple fix is to add a define in
sock.h like
#define inet_aton(a,b) inet_pton(AF_INET, (a), (b))
protected by a #ifdef for solaris or better still HAVE_INET_ATON from configure.