1 files changed, 1 insertions, 28 deletions
diff --git a/manual/time.texi b/manual/time.texi
index 78396f23e0..a2e11a1a9d 100644
--- a/manual/time.texi
+++ b/manual/time.texi
@@ -139,34 +139,7 @@ this.  It works even on some peculiar operating systems where the
 @code{tv_sec} member has an unsigned type.
 
 @smallexample
-/* @r{Subtract the `struct timeval' values X and Y,}
-   @r{storing the result in RESULT.}
-   @r{Return 1 if the difference is negative, otherwise 0.}  */
-
-int
-timeval_subtract (result, x, y)
-     struct timeval *result, *x, *y;
-@{
-  /* @r{Perform the carry for the later subtraction by updating @var{y}.} */
-  if (x->tv_usec < y->tv_usec) @{
-    int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1;
-    y->tv_usec -= 1000000 * nsec;
-    y->tv_sec += nsec;
-  @}
-  if (x->tv_usec - y->tv_usec > 1000000) @{
-    int nsec = (x->tv_usec - y->tv_usec) / 1000000;
-    y->tv_usec += 1000000 * nsec;
-    y->tv_sec -= nsec;
-  @}
-
-  /* @r{Compute the time remaining to wait.}
-     @r{@code{tv_usec} is certainly positive.} */
-  result->tv_sec = x->tv_sec - y->tv_sec;
-  result->tv_usec = x->tv_usec - y->tv_usec;
-
-  /* @r{Return 1 if result is negative.} */
-  return x->tv_sec < y->tv_sec;
-@}
+@include timeval_subtract.c.texi
 @end smallexample
 
 Common functions that use @code{struct timeval} are @code{gettimeofday}