StrToPortRange
if (StrToPortRange(ptr, protoName, &portRange) != 0)
return StrToPortRange(ptr, proto, portRange);
static int StrToPortRange(const char *, const char *, port_range *);
error = StrToPortRange(arg->argv[arg->argn+2], &laliasport, &haliasport,
return StrToPortRange(colon + 1, low, high, proto);
static int StrToPortRange(const char *, u_short *, u_short *, const char *);