.TH RECVCLR 2 .SH NAME recvclr \- clear incoming message buffer asynchronously .SH SYNOPSIS .nf .B int recvclr() .fi .SH DESCRIPTION A process executes \f2recvclr\f1 to clear its message buffer of any waiting message in preparation for receiving messages. If a message is waiting, \f2recvclr\f1 returns it to the caller. If no messages are waiting, .I recvclr returns OK. .SH SEE ALSO receive(2), send(2), preceive(2), psend(2)