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//==========================================================================
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//
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// lib/getproto.c
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//
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// getprotobyname(), getprotobynumber()
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//
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//==========================================================================
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//####BSDCOPYRIGHTBEGIN####
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//
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// -------------------------------------------
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//
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// Portions of this software may have been derived from OpenBSD or other sources,
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// and are covered by the appropriate copyright disclaimers included herein.
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//
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// -------------------------------------------
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//
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//####BSDCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): gthomas
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// Contributors: gthomas
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// Date: 2000-01-10
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// Purpose:
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// Description:
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//
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#include <sys/param.h>
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#include <netdb.h>
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#include <errno.h>
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static struct protoent protocols[] = {
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{ "ip", 0}, // internet protocol, pseudo protocol number
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{ "icmp", 1}, // internet control message protocol
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{ "igmp", 2}, // Internet Group Management
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{ "ggp", 3}, // gateway-gateway protocol
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{ "ipencap", 4}, // IP encapsulated in IP (officially ``IP'')
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{ "st", 5}, // ST datagram mode
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{ "tcp", 6}, // transmission control protocol
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{ "egp", 8}, // exterior gateway protocol
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{ "pup", 12}, // PARC universal packet protocol
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{ "udp", 17}, // user datagram protocol
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{ "hmp", 20}, // host monitoring protocol
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{ "xns-idp", 22}, // Xerox NS IDP
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{ "rdp", 27}, // "reliable datagram" protocol
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{ "iso-tp4", 29}, // ISO Transport Protocol class 4
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{ "xtp", 36}, // Xpress Tranfer Protocol
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{ "ddp", 37}, // Datagram Delivery Protocol
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{ "idpr-cmtp", 39}, // IDPR Control Message Transport
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{ "rspf", 73}, //Radio Shortest Path First.
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{ "vmtp", 81}, // Versatile Message Transport
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{ "ospf", 89}, // Open Shortest Path First IGP
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{ "ipip", 94}, // Yet Another IP encapsulation
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{ "encap", 98}, // Yet Another IP encapsulation
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{ 0, 0}
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};
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struct protoent *
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getprotobyname(const char *name)
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{
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struct protoent *p = protocols;
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while (p->p_name) {
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if (strcmp(name, p->p_name) == 0) {
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return p;
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}
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p++;
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}
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errno = ENOENT;
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return (struct protoent *)0;
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}
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struct protoent *
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getprotobynumber(const int num)
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{
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struct protoent *p = protocols;
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while (p->p_name) {
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if (p->p_proto == num) {
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return p;
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}
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p++;
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}
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errno = ENOENT;
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return (struct protoent *)0;
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}
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