--- src/lib/libc/gen/ucontext.3	2006/07/22 18:49:25	1.5
+++ src/lib/libc/gen/ucontext.3	2007/01/16 07:16:23	1.6
@@ -33,7 +33,7 @@
 .\" THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
 .\" THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\" $FreeBSD: src/lib/libc/gen/ucontext.3,v 1.1.2.1 2002/09/15 00:30:45 archie Exp $
+.\" $FreeBSD: src/lib/libc/gen/ucontext.3,v 1.3 2004/07/03 22:30:08 ru Exp $
 .\" $DragonFly$
 .\"
 .Dd September 10, 2002
@@ -57,40 +57,53 @@ blocked signals.
 The
 .Vt ucontext_t
 structure contains at least these fields:
-.Bl -tag -compact -offset 3n -width "mcontext_t  uc_mcontext"
 .Pp
-.It "ucontext_t *uc_link"
-Context to assume when this one returns
-.It "sigset_t    uc_sigmask"
-Signals being blocked
-.It "stack_t     uc_stack"
-Stack area
-.It "mcontext_t  uc_mcontext"
-Saved registers
+.Bl -tag -width ".Va mcontext_t\ \ uc_mcontext" -offset 3n -compact
+.It Va "ucontext_t *uc_link"
+context to assume when this one returns
+.It Va "sigset_t uc_sigmask"
+signals being blocked
+.It Va "stack_t uc_stack"
+stack area
+.It Va "mcontext_t uc_mcontext"
+saved registers
 .El
 .Pp
 The
-.Fa uc_link
+.Va uc_link
 field points to the context to resume when this context's entry point
 function returns.
 If
-.Fa uc_link
+.Va uc_link
 is equal to
 .Dv NULL ,
 then the process exits when this context returns.
 .Pp
 The
-.Fa uc_mcontext
+.Va uc_mcontext
 field is machine-dependent and should be treated as opaque by
 portable applications.
+.Pp
+The following functions are defined to manipulate
+.Vt ucontext_t
+structures:
+.Pp
+.Bl -item -offset 3n -compact
+.It
+.Ft int
+.Fn getcontext "ucontext_t *" ;
+.It
+.Ft int
+.Fn setcontext "const ucontext_t *" ;
+.It
+.Ft void
+.Fn makecontext "ucontext_t *" "void \*[lp]*\*[rp]\*[lp]void\*[rp]" int ... ;
+.It
+.Ft int
+.Fn swapcontext "ucontext_t *" "const ucontext_t *" ;
+.El
 .Sh SEE ALSO
-.Xr sigaltstack 2
-.Sh BUGS
-The
-.Fn getcontext ,
-.Fn setcontext ,
-.Fn makecontext ,
-and
-.Fn swapcontext
-functions are not yet implemented in this version of
+.Xr sigaltstack 2 ,
+.Xr getcontext 3 ,
+.Xr makecontext 3
 .Dx .