Flesh out stdlib function man pages.

1 files changed, 12 insertions, 21 deletions

diff --git a/lib/libc/stdlib/getenv.3 b/lib/libc/stdlib/getenv.3
index d6ffc8b1ddd..b2aa0080d67 100644
--- a/lib/libc/stdlib/getenv.3
+++ b/lib/libc/stdlib/getenv.3
@@ -33,7 +33,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: getenv.3,v 1.6 1999/09/06 23:26:30 aaron Exp $
+.\"	$OpenBSD: getenv.3,v 1.7 2000/04/20 13:50:02 aaron Exp $
 .\"
 .Dd December 11, 1993
 .Dt GETENV 3
@@ -55,17 +55,13 @@
 .Ft void
 .Fn unsetenv "const char *name"
 .Sh DESCRIPTION
-These functions set, unset and fetch environment variables from the
-host
+These functions set, unset, and fetch environment variables from the host
 .Em environment list .
-For compatibility with differing environment conventions,
-the given arguments
+For compatibility with differing environment conventions, the given arguments
 .Fa name
 and
 .Fa value
-may be appended and prepended,
-respectively,
-with an equal sign
+may be appended and prepended, respectively, with an equal sign
 .Dq Li \&= .
 .Pp
 The
@@ -74,8 +70,7 @@ function obtains the current value of the environment variable,
 .Fa name .
 If the variable
 .Fa name
-is not in the current environment,
-a null pointer is returned.
+is not in the current environment, a null pointer is returned.
 .Pp
 The
 .Fn setenv
@@ -84,30 +79,27 @@ function inserts or resets the environment variable
 in the current environment list.
 If the variable
 .Fa name
-does not exist in the list,
-it is inserted with the given
+does not exist in the list, it is inserted with the given
 .Fa value .
 If the variable does exist, the argument
 .Fa overwrite
 is tested; if
 .Fa overwrite
-is zero,
-the variable is not reset, otherwise it is reset
-to the given
+is zero, the variable is not reset, otherwise it is reset to the given
 .Fa value .
 .Pp
 The
 .Fn putenv
-function takes an argument of the form ``name=value'' and is
-equivalent to:
+function takes an argument of the form
+.Ar name Ns No = Ns Ar value
+and is equivalent to:
 .Bd -literal -offset indent
 setenv(name, value, 1);
 .Ed
 .Pp
 The
 .Fn unsetenv
-function
-deletes all instances of the variable name pointed to by
+function deletes all instances of the variable name pointed to by
 .Fa name
 from the list.
 .Sh RETURN VALUES
@@ -117,8 +109,7 @@ and
 .Fn putenv
 return zero if successful; otherwise the global variable
 .Va errno
-is set to indicate the error and a
-\-1 is returned.
+is set to indicate the error and \-1 is returned.
 .Pp
 If
 .Fn getenv