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-rw-r--r--malloc/malloc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/malloc/malloc.h b/malloc/malloc.h
index ad36ca7592..ddbc694491 100644
--- a/malloc/malloc.h
+++ b/malloc/malloc.h
@@ -73,6 +73,9 @@
 extern "C" {
 #endif
 
+/* Nonzero if the malloc is already initialized.  */
+extern int __malloc_initialized;
+
 /* Initialize global configuration.  Not needed with GNU libc. */
 #ifndef __GLIBC__
 extern void ptmalloc_init __MALLOC_P ((void));