Flesh out stdlib function man pages.

1 files changed, 13 insertions, 20 deletions

diff --git a/lib/libc/stdlib/getopt.3 b/lib/libc/stdlib/getopt.3
index 637a81f1f0f..ef132cafc59 100644
--- a/lib/libc/stdlib/getopt.3
+++ b/lib/libc/stdlib/getopt.3
@@ -29,7 +29,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: getopt.3,v 1.12 2000/03/04 22:19:31 aaron Exp $
+.\"	$OpenBSD: getopt.3,v 1.13 2000/04/20 13:50:02 aaron Exp $
 .\"
 .Dd April 19, 1994
 .Dt GETOPT 3
@@ -51,27 +51,25 @@ The
 .Fn getopt
 function incrementally parses a command line argument list
 .Fa argv
-and returns the next
-.Em known
-option character.
+and returns the next known option character.
 An option character is
-.Em known
+.Dq known
 if it has been specified in the string of accepted option characters,
 .Fa optstring .
 .Pp
 The option string
 .Fa optstring
-may contain the following elements: individual characters, and
+may contain the following elements: individual characters and
 characters followed by a colon to indicate an option argument
 is to follow.
 For example, an option string
-.Li "\&""x""
+.Qq x
 recognizes an option
-.Dq Fl x ,
+.Fl x ,
 and an option string
-.Li "\&""x:""
+.Qq Li x:
 recognizes an option and argument
-.Dq Fl x Ar argument .
+.Fl x Ar argument .
 It does not matter to
 .Fn getopt
 if a following argument has leading whitespace.
@@ -89,12 +87,10 @@ to
 .Fn getopt .
 The variable
 .Va optopt
-saves the last
-.Em known
-option character returned by
+saves the last known option character returned by
 .Fn getopt .
 .Pp
-The variable
+The variables
 .Va opterr
 and
 .Va optind
@@ -119,9 +115,7 @@ must be reinitialized.
 .Pp
 The
 .Fn getopt
-function
-returns \-1
-when the argument list is exhausted.
+function returns \-1 when the argument list is exhausted.
 The interpretation of options in the argument list may be cancelled
 by the option
 .Ql --
@@ -157,9 +151,8 @@ then a missing option argument causes a
 to be returned in addition to suppressing any error messages.
 .Pp
 Option arguments are allowed to begin with
-.Dq Li \- ;
-this is reasonable but
-reduces the amount of error checking possible.
+.Ql - ;
+this is reasonable but reduces the amount of error checking possible.
 .Sh EXTENSIONS
 The
 .Va optreset