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.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\" May be distributed under the GNU General Public License
.\" References consulted:
.\" Linux libc source code
.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\" 386BSD man pages
.\" Modified Sat Jul 24 19:30:29 1993 by Rik Faith (faith@cs.unc.edu)
.TH GETENV 3 "April 3, 1993" "GNU" "Linux Programmer's Manual"
.SH NAME
getenv \- get an environment variable
.SH SYNOPSIS
.nf
.B #include <stdlib.h>
.sp
.BI "char *getenv(const char *" name );
.fi
.SH DESCRIPTION
The \fBgetenv()\fP function searches the environment list for a string
that matches the string pointed to by \fIname\fP. The strings are of
the form \fIname = value\fP.
.SH "RETURN VALUE"
The \fBgetenv()\fP function returns a pointer to the value in the
environment, or NULL if there is no match.
.SH "CONFORMING TO"
SVID 3, POSIX, BSD 4.3, ISO 9899
.SH SEE ALSO
.BR putenv "(3), " setenv "(3), " unsetenv (3)
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