(Copying and Concatenation): Mention that strndup is a GNU extension.

diff --git a/manual/string.texi b/manual/string.texi
index 943cb09b5cc956f1d7109acaf016d8d8786c86a3..45b2bc84728086c41140350741ceadb3810c74ce 100644 (file)
--- a/manual/string.texi
+++ b/manual/string.texi
@@ -372,6 +372,8 @@ terminated.
 
 This function is different to @code{strncpy} in that it always
 terminates the destination string.
+
+@code{strndup} is a GNU extension.
 @end deftypefun
 
 @comment string.h