1.\" Copyright (c) 1988, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the American National Standards Committee X3, on Information
6.\" Processing Systems.
7.\"
8.\" Redistribution and use in source and binary forms, with or without
--- 20 unchanged lines hidden (view full) ---
29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34.\" SUCH DAMAGE.
35.\"
36.\" @(#)getenv.3 8.2 (Berkeley) 12/11/93
37.\" $FreeBSD: head/lib/libc/stdlib/getenv.3 131754 2004-07-07 19:57:16Z ru $
38.\"
39.Dd December 11, 1993
40.Dt GETENV 3
41.Os
42.Sh NAME
43.Nm getenv ,
44.Nm putenv ,
45.Nm setenv ,
--- 62 unchanged lines hidden (view full) ---
108.Fn unsetenv
109function
110deletes all instances of the variable name pointed to by
111.Fa name
112from the list.
113.Sh RETURN VALUES
114The
115.Fn getenv
116function returns the value of the environment variable as a
117.Dv NUL Ns
118-terminated string.
119If the variable
120.Fa name
121is not in the current environment,
122.Dv NULL
123is returned.
124.Pp
125.Rv -std setenv putenv
126.Sh ERRORS
--- 48 unchanged lines hidden ---
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the American National Standards Committee X3, on Information
6.\" Processing Systems.
7.\"
8.\" Redistribution and use in source and binary forms, with or without
--- 20 unchanged lines hidden (view full) ---
29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34.\" SUCH DAMAGE.
35.\"
36.\" @(#)getenv.3 8.2 (Berkeley) 12/11/93
37.\" $FreeBSD: head/lib/libc/stdlib/getenv.3 131754 2004-07-07 19:57:16Z ru $
38.\"
39.Dd December 11, 1993
40.Dt GETENV 3
41.Os
42.Sh NAME
43.Nm getenv ,
44.Nm putenv ,
45.Nm setenv ,
--- 62 unchanged lines hidden (view full) ---
108.Fn unsetenv
109function
110deletes all instances of the variable name pointed to by
111.Fa name
112from the list.
113.Sh RETURN VALUES
114The
115.Fn getenv
116function returns the value of the environment variable as a
117.Dv NUL Ns
118-terminated string.
119If the variable
120.Fa name
121is not in the current environment,
122.Dv NULL
123is returned.
124.Pp
125.Rv -std setenv putenv
126.Sh ERRORS
--- 48 unchanged lines hidden ---