recho

Langue: en

Version: 59045 (mandriva - 22/10/07)

Section: 2 (Appels système)

Sommaire

NAME

recho - Send messages to LAM echo server.

SYNOPSIS

int recho (int node, char *src_msg, char *dest_msg, int length);

ARGUMENTS

node
location of echo service
src_msg
outgoing message
dest_msg
incoming echo message
length
of both message buffers

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

tping(1)