getprotoent.3 (0d9deed52c5ed3b24d2da5ec3a0a172fe9092a96) getprotoent.3 (5744601120ac8a73215df499be15e47f16d594bb)
1.\" Copyright (c) 1983, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

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60.Fn getprotobynumber
61functions
62each return a pointer to an object with the
63following structure
64containing the broken-out
65fields of a line in the network protocol data base,
66.Pa /etc/protocols .
67.Bd -literal -offset indent
1.\" Copyright (c) 1983, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

--- 51 unchanged lines hidden (view full) ---

60.Fn getprotobynumber
61functions
62each return a pointer to an object with the
63following structure
64containing the broken-out
65fields of a line in the network protocol data base,
66.Pa /etc/protocols .
67.Bd -literal -offset indent
68struct protoent {
68struct protoent {
69 char *p_name; /* official name of protocol */
70 char **p_aliases; /* alias list */
71 int p_proto; /* protocol number */
72};
73.Ed
74.Pp
75The members of this structure are:
76.Bl -tag -width p_aliases

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112sequentially search from the beginning
113of the file until a matching
114protocol name or
115protocol number is found,
116or until
117.Dv EOF
118is encountered.
119.Sh RETURN VALUES
69 char *p_name; /* official name of protocol */
70 char **p_aliases; /* alias list */
71 int p_proto; /* protocol number */
72};
73.Ed
74.Pp
75The members of this structure are:
76.Bl -tag -width p_aliases

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112sequentially search from the beginning
113of the file until a matching
114protocol name or
115protocol number is found,
116or until
117.Dv EOF
118is encountered.
119.Sh RETURN VALUES
120Null pointer
121(0) returned on
120Null pointer returned on
122.Dv EOF
123or error.
124.Sh FILES
125.Bl -tag -width /etc/protocols -compact
126.It Pa /etc/protocols
127.El
128.Sh SEE ALSO
129.Xr protocols 5

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121.Dv EOF
122or error.
123.Sh FILES
124.Bl -tag -width /etc/protocols -compact
125.It Pa /etc/protocols
126.El
127.Sh SEE ALSO
128.Xr protocols 5

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