1.fp 5 CW
2.de Af
3.ds ;G \\*(;G\\f\\$1\\$3\\f\\$2
4.if !\\$4 .Af \\$2 \\$1 "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"
5..
6.de aF
7.ie \\$3 .ft \\$1
8.el \{\
9.ds ;G \&
10.nr ;G \\n(.f
11.Af "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"
12\\*(;G
13.ft \\n(;G \}
14..
15.de L
16.aF 5 \\n(.f "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
17..
18.de LR
19.aF 5 1 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
20..
21.de RL
22.aF 1 5 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
23..
24.de EX		\" start example
25.ta 1i 2i 3i 4i 5i 6i
26.PP
27.RS 
28.PD 0
29.ft 5
30.nf
31..
32.de EE		\" end example
33.fi
34.ft
35.PD
36.RE
37.PP
38..
39.TH GETCWD 3
40.SH NAME
41getcwd \- return absolute path to current directory
42.SH SYNOPSIS
43.EX
44#include <ast.h>
45
46char* getcwd(char* \fIbuf\fP, size_t \fIlen\fP);
47.EE
48.SH DESCRIPTION
49.L getcwd
50copies the absolute path name of the current directory info into
51.I buf
52of length 
53.IR len .
54The return path may be longer than
55.LR PATH_MAX .
56If
57.I "buff == 0"
58then space is allocated via
59.IR malloc (3)
60and 
61.I len
62extra characters are reserved after the generated path name.
63A pointer to the path name is returned, 
64.L 0
65on error.
66.SH "SEE ALSO"
67pathcd(3)
68