gl/lib/tempname.h.diff


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diff --git c/lib/tempname.h i/lib/tempname.h
index edf7074..707edf4 100644
--- c/lib/tempname.h
+++ i/lib/tempname.h
@@ -34,4 +34,7 @@
    GT_DIR:		create a directory, which will be mode 0700.

    We use a clever algorithm to get hard-to-predict names. */
+#include <stddef.h>
 extern int gen_tempname (char *tmpl, int flags, int kind);
+extern int gen_tempname_len (char *tmpl, int flags, int kind,
+                             size_t x_suffix_len);