Visit Our UNIX and Linux User Community

Linux and UNIX Man Pages

Test Your Knowledge in Computers #315
Difficulty: Easy
To bypass US Munitions Export Laws, the creator of the PGP published all the source code in a binary format.
True or False?
Linux & Unix Commands - Search Man Pages

endprotoent(3n) [bsd man page]

GETPROTOENT(3N) 														   GETPROTOENT(3N)

NAME
getprotoent, getprotobynumber, getprotobyname, setprotoent, endprotoent - get protocol entry SYNOPSIS
#include <netdb.h> struct protoent *getprotoent() struct protoent *getprotobyname(name) char *name; struct protoent *getprotobynumber(proto) int proto; setprotoent(stayopen) int stayopen endprotoent() DESCRIPTION
Getprotoent, getprotobyname, and getprotobynumber each return a pointer to an object with the following structure containing the broken-out fields of a line in the network protocol data base, /etc/protocols. struct protoent { char *p_name; /* official name of protocol */ char **p_aliases; /* alias list */ int p_proto; /* protocol number */ }; The members of this structure are: p_name The official name of the protocol. p_aliases A zero terminated list of alternate names for the protocol. p_proto The protocol number. Getprotoent reads the next line of the file, opening the file if necessary. Setprotoent opens and rewinds the file. If the stayopen flag is non-zero, the net data base will not be closed after each call to getpro- tobyname or getprotobynumber. Endprotoent closes the file. Getprotobyname and getprotobynumber sequentially search from the beginning of the file until a matching protocol name or protocol number is found, or until EOF is encountered. FILES
/etc/protocols SEE ALSO
protocols(5) DIAGNOSTICS
Null pointer(0) returned on EOF or error. BUGS
All information is contained in a static area so it must be copied if it is to be saved. Only the Internet protocols are currently under- stood. 4.2 Berkeley Distribution May 19, 1986 GETPROTOENT(3N)

Check Out this Related Man Page

GETPROTOENT(3N) 														   GETPROTOENT(3N)

NAME
getprotoent, getprotobynumber, getprotobyname, setprotoent, endprotoent - get protocol entry SYNOPSIS
#include <netdb.h> struct protoent *getprotoent() struct protoent *getprotobyname(name) char *name; struct protoent *getprotobynumber(proto) int proto; setprotoent(stayopen) int stayopen endprotoent() DESCRIPTION
Getprotoent, getprotobyname, and getprotobynumber each return a pointer to an object with the following structure containing the broken-out fields of a line in the network protocol data base, /etc/protocols. struct protoent { char *p_name; /* official name of protocol */ char **p_aliases; /* alias list */ int p_proto; /* protocol number */ }; The members of this structure are: p_name The official name of the protocol. p_aliases A zero terminated list of alternate names for the protocol. p_proto The protocol number. Getprotoent reads the next line of the file, opening the file if necessary. Setprotoent opens and rewinds the file. If the stayopen flag is non-zero, the net data base will not be closed after each call to getpro- tobyname or getprotobynumber. Endprotoent closes the file. Getprotobyname and getprotobynumber sequentially search from the beginning of the file until a matching protocol name or protocol number is found, or until EOF is encountered. FILES
/etc/protocols SEE ALSO
protocols(5) DIAGNOSTICS
Null pointer(0) returned on EOF or error. BUGS
All information is contained in a static area so it must be copied if it is to be saved. Only the Internet protocols are currently under- stood. 4.2 Berkeley Distribution May 19, 1986 GETPROTOENT(3N)

Featured Tech Videos