Minix2.0/man/man3/getcwd.3

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.\" Copyright (c) 1983 Regents of the University of California.
.\" All rights reserved.  The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\"
.\"	@(#)getwd.3	6.2 (Berkeley) 5/12/86
.\"
.TH GETCWD 3 "May 12, 1986"
.UC 5
.SH NAME
getcwd \- get current working directory pathname
.SH SYNOPSIS
.nf
.ft B
#include <unistd.h>

char *getcwd(char *\fIpathname\fP, size_t \fIlen\fP)
.fi
.SH DESCRIPTION
.B Getcwd
copies the absolute pathname of the current working directory to
.I pathname
and returns a pointer to the result.
.I Pathname
is a character array of length
.IR len .
.SH DIAGNOSTICS
.B Getcwd
returns a null pointer and sets
.B errno
if an error occurs.  The error will reflect the system call errors that
may occur if the path to the current directory is searched upwards to
the root directory.  The error
.B ERANGE
is returned if the result does not fit within
.I len
bytes.