Xinu7/man/man2/sendf.2

.TH SENDF 2
.SH NAME
sendf \- send a (one-word) message to a process, forcing delivery
.SH SYNOPSIS
.nf
.B int sendf(pid, msg)
.B int pid;
.B int msg;
.fi
.SH DESCRIPTION
.I Sendf
sends the one-word message
.I msg
to the process with id
.I pid.
A process may have at most one outstanding message that has
not been received.
.I Sendf
returns SYSERR if process id \f2pid\f1 is
invalid.
Otherwise, it returns OK.
.SH SEE ALSO
receive(2), recvtim(2), recvclr(2), preceive(2), psend(2)