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Added return value section.

Nils Ohlmeier authored on 07/08/2002 18:28:11
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@@ -150,6 +150,10 @@ This parameter increases the output verbosity.
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 Prints out only the name and version number of sipsak.
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 .IP -w
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 Activates the extraction of the IP or hostname from the Warning header field.
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+.SH RETURN VLAUES
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+The return value 0 means that no error occured. 1 will be returned on remote
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+errors like no response or unexpected answers. 2 will be returned on local
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+errors like non resolvable names or errors on socket.
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 .SH LIMITATIONS / NOT IMPLEMENTED
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 Restransmitions from the server are not filtered out and can produce
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 unexpected results.