V10/man/adm/man3/getwd.3

.TH GETWD 3
.CT 2 dirs
.SH NAME
getwd, getcwd \(mi get current directory
.SH SYNOPSIS
.B char *getwd(buf)
.br
.B char *buf;
.PP
.B char *getcwd(buf, size)
.br
.B char *buf;
.SH DESCRIPTION
.I Getwd
and
.I getcwd
fill
.I buf
with a null-terminated string representing the current directory
and return
.IR buf .
.PP
.I Getwd
is in the style of BSD systems and
.I getcwd
in that of System V.
If
.I buf
is 0,
.I getcwd
will call
.IR malloc (3)
to allocate
.I size
bytes for the buffer.
.SH "SEE ALSO
.IR pwd (1)
.SH DIAGNOSTICS
On error, zero is returned and
.I buf
is filled with a diagnostic message.