.TH unbufcall() "" "" "DDI/DKI Kernel Routine"
.PC "Cancel a request to bufcall()"
.B "#include <sys/stream.h>"
\fBvoid unbufcall(\fIrequest\^\fB)\fR
\fBtoid_t \fIrequest\^\fB;\fR
.PP
.B unbufcall()
cancels
.I request
to the function
.BR bufcall() .
.I request
must have been returned by a call to
.B bufcall()
or
.BR esbbcall() .
.SH "See Also"
.B
bufcall(),
DDI/DKI kernel routines,
esbbcall()
.R
.SH Notes
.B unbufcall()
has base or interrupt level.
It does not sleep.
.PP
A driver can hold a
driver-defined basic lock, read/write lock, or sleep lock
across a call to this function.
