The event queue can actually be used as a two way communication channel\&. Not only can events be read from the queue, but the user can also push their own events onto it\&. \fBevent\fR is a pointer to the event structure you wish to push onto the queue\&.
.PP
.RS
\fBNote:
.PP
Pushing device input events onto the queue doesn\&'t modify the state of the device within SDL\&.
.RE
.SH"RETURN VALUE"
.PP
Returns \fB0\fR on success or \fB-1\fR if the event couldn\&'t be pushed\&.