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Diffstat (limited to 'manual/search.texi')
| -rw-r--r-- | manual/search.texi | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/manual/search.texi b/manual/search.texi index f561ef9e34..ec82e1cc2c 100644 --- a/manual/search.texi +++ b/manual/search.texi @@ -475,9 +475,11 @@ elements. To remove a specific element matching @var{key} from the tree @code{tdelete} can be used. It locates the matching element using the same method as @code{tfind}. The corresponding element is then removed -and the data if this tree node is returned by the function. If there is -no matching entry in the tree nothing can be deleted and the function -returns @code{NULL}. +and a pointer to the parent of the deleted node is returned by the +function. If there is no matching entry in the tree nothing can be +deleted and the function returns @code{NULL}. If the root of the tree +is deleted @code{tdelete} returns some unspecified value not equal to +@code{NULL}. @end deftypefun @comment search.h |