.TH outl() "" "" "DDI/DKI Kernel Routine"
.PC "Write a long integer to an I/O port"
.B "#include <sys/types.h>"
\fBvoid outl(\fIport\^\fB, \fIdatum\^\fB)\fR
\fBint \fIport\fB; ulong_t \fIdatum\^\fB;\fR
.PP
.B outl()
writes the unsigned long (32-bit) integer
.I datum
to
.IR port .
.SH "See Also"
.B
DDI/DKI kernel routines,
inb(),
inl(),
inw(),
outb(),
outw()
.R
.SH Notes
.B outl()
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.
.PP
This function is meaningful only on implementations that support I/O-mapped I/O.
