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#include <netdb.h>
#include <string.h>
/* do we really need all these?? */
static int idx;
static const unsigned char protos[] = {
"\000ip\0"
"\001icmp\0"
"\002igmp\0"
"\003ggp\0"
"\004ipencap\0"
"\005st\0"
"\006tcp\0"
"\008egp\0"
"\014pup\0"
"\021udp\0"
"\024hmp\0"
"\026xns-idp\0"
"\033rdp\0"
"\035iso-tp4\0"
"\044xtp\0"
"\045ddp\0"
"\046idpr-cmtp\0"
"\051ipv6\0"
"\053ipv6-route\0"
"\054ipv6-frag\0"
"\055idrp\0"
"\056rsvp\0"
"\057gre\0"
"\062esp\0"
"\063ah\0"
"\071skip\0"
"\072ipv6-icmp\0"
"\073ipv6-nonxt\0"
"\074ipv6-opts\0"
"\111rspf\0"
"\121vmtp\0"
"\131ospf\0"
"\136ipip\0"
"\142encap\0"
"\147pim\0"
"\377raw"
};
void endprotoent(void)
{
idx = 0;
}
void setprotoent(int stayopen)
{
idx = 0;
}
struct protoent *getprotoent(void)
{
static struct protoent p;
static const char *aliases;
if (idx >= sizeof protos) return NULL;
p.p_proto = protos[idx];
p.p_name = (char *)&protos[idx+1];
p.p_aliases = (char **)&aliases;
idx += strlen(p.p_name) + 2;
return &p;
}
struct protoent *getprotobyname(const char *name)
{
struct protoent *p;
endprotoent();
do p = getprotoent();
while (p && strcmp(name, p->p_name));
return p;
}
struct protoent *getprotobynumber(int num)
{
struct protoent *p;
endprotoent();
do p = getprotoent();
while (p && p->p_proto != num);
return p;
}
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