.TH ttopen() "" "" "Internal Kernel Routine"
.PC "Open a tty"
.B "#include <sys/tty.h>"
.B "#include <sgtty.h>"
\fBvoid ttopen(\fItp\^\fB) TTY *\fItp\^\fB;\fR
.PP
a teletypewriter (tty) device driver calls
.B ttopen()
on the first open.
It sets up default parameters, and invokes
\fB(*\fItp\^\fB->t_param\^\fB)(\fItp\^\fB)\fR
to initialize the hardware.
.SH "See Also"
.B
internal kernel routines
.R
