V8/usr/man/man3/getwd.3

.TH GETWD 3
.SH NAME
getwd, getcwd \- 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
Both routines fill
.I buf
with a null-terminated string representing the current directory
and return
.IR buf .
A null pointer is returned on an error and
.I buf
is filled with a diagnostic.
.PP
.I Getwd
is in the style of 4.2 BSD and
.I getcwd
in that of System V.
If
.I buf
is null, this entry will call
.IR malloc (3)
to allocate
.I size
bytes for the buffer.
.SH "SEE ALSO
pwd(1)