RECHO (2)
Send messages to LAM echo server.
SYNOPSIS
int recho (int node, char *src_msg, char *dest_msg, int length);
ARGUMENTS
node
src_msg
dest_msg
length
DESCRIPTION
The echo server returns any message that it receives to the sender.
It is a confidence testing service for the LAM network.
The message
length
must not exceed the maximum network message length MAXNMSGLEN, defined in
<net.h> and factory set to 8192 bytes.
RETURN VALUE
Upon successful completion, the number of bytes echoed is returned.
If an error occurred, -1 is returned and the global variable
errno
is set to indicate the error.
ERRORS
EMSGLEN
The message length exceeds the maximum message length.
SEE ALSO
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