diff options
Diffstat (limited to 'src/lib')
-rw-r--r-- | src/lib/libc/stdlib/getenv.3 | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/lib/libc/stdlib/getenv.3 b/src/lib/libc/stdlib/getenv.3 index 5239d1b0d5..2333559516 100644 --- a/src/lib/libc/stdlib/getenv.3 +++ b/src/lib/libc/stdlib/getenv.3 | |||
@@ -29,9 +29,9 @@ | |||
29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
30 | .\" SUCH DAMAGE. | 30 | .\" SUCH DAMAGE. |
31 | .\" | 31 | .\" |
32 | .\" $OpenBSD: getenv.3,v 1.19 2013/06/05 03:39:23 tedu Exp $ | 32 | .\" $OpenBSD: getenv.3,v 1.20 2014/04/21 08:46:59 guenther Exp $ |
33 | .\" | 33 | .\" |
34 | .Dd $Mdocdate: June 5 2013 $ | 34 | .Dd $Mdocdate: April 21 2014 $ |
35 | .Dt GETENV 3 | 35 | .Dt GETENV 3 |
36 | .Os | 36 | .Os |
37 | .Sh NAME | 37 | .Sh NAME |
@@ -102,11 +102,13 @@ function deletes all instances of the variable name pointed to by | |||
102 | .Fa name | 102 | .Fa name |
103 | from the list. | 103 | from the list. |
104 | .Sh RETURN VALUES | 104 | .Sh RETURN VALUES |
105 | These functions | 105 | .Rv -std putenv setenv unsetenv |
106 | return zero if successful; otherwise the global variable | ||
107 | .Va errno | ||
108 | is set to indicate the error and \-1 is returned. | ||
109 | .Pp | 106 | .Pp |
107 | The | ||
108 | .Fn getenv | ||
109 | function returns a pointer to the requested value, or | ||
110 | .Dv NULL | ||
111 | if it could not be found. | ||
110 | If | 112 | If |
111 | .Fn getenv | 113 | .Fn getenv |
112 | is successful, the string returned should be considered read-only. | 114 | is successful, the string returned should be considered read-only. |