PROTOCOLS(5) BSD Reference Manual PROTOCOLS(5)
protocols - protocol name database
The protocols file contains information regarding the known protocols
used in the DARPA Internet. For each protocol, a single line should be
present with the following information:
official protocol name
protocol number
aliases
Items are separated by any number of blanks and/or tab characters.
A hash mark ('#') indicates the beginning of a comment; subsequent char-
acters up to the end of the line are not interpreted by the routines
which search the file.
Protocol names may contain any printable character other than a field
delimiter, newline, or comment character.
/etc/protocols
getprotoent(3)
The protocols file format appeared in 4.2BSD.
A name server should be used instead of a static file. Lines in
/etc/protocols are limited to BUFSIZ characters (currently 1024). Longer
lines will be ignored.
MirOS BSD #10-current June 5, 1993 1
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