Structure for holding information from the protocol database
#include <netdb.h>
struct protoent {
char * p_name;
char ** p_aliases;
int p_proto;
};
The protoent structure holds information from the network protocols database, /etc/protocols. The members of this structure are:
POSIX 1003.1g (draft)
endprotoent(), getprotobyname(), getprotobynumber(), getprotoent(), setprotoent()
/etc/protocols in the TCP/IP User's Guide