.fp 5 CW
.de Af
.ds ;G \\*(;G\\f\\$1\\$3\\f\\$2
.if !\\$4 .Af \\$2 \\$1 "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"
..
.de aF
.ie \\$3 .ft \\$1
.el \{\
.ds ;G \&
.nr ;G \\n(.f
.Af "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"
\\*(;G
.ft \\n(;G \}
..
.de L
.aF 5 \\n(.f "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
..
.de LR
.aF 5 1 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
..
.de RL
.aF 1 5 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
..
.de EX		\" start example
.ta 1i 2i 3i 4i 5i 6i
.PP
.RS 
.PD 0
.ft 5
.nf
..
.de EE		\" end example
.fi
.ft
.PD
.RE
.PP
..
.TH STRTAPE 3
.SH NAME
strtape \- convert string to tape device pathname
.SH SYNOPSIS
.L "char* strtape(char* s, char** e)"
.SH DESCRIPTION
.I strtape
converts the generic tape device specification in the nul-terminated string
.I s
to a local tape device pathname.
A pointer to the device pathname is returned.
If 
.I e
not 0 then
.I *e
is set to point to the first unrecognized character in
.IR s .
.PP
A tape device specification is composed of
.IR unit-density-rewind .
All are optional.
.I unit
is a unit number in the range
.BR [0-7] .
The default unit is
.BR 1 .
Density may be one of:
.TP 3
.B l
for low;
.TP 3
.B m
for medium, and
.TP
.B h
for high.
.PP
The default is
.BR m .
.I rewind
is
.B n
for no-rewind on device close.
The default is to rewind on device close.
.SH "SEE ALSO"
pax(1), tar(1)
.SH CAVEATS
The return value points to a static area that is overwritten on each call.