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-rw-r--r--string/string.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/string/string.h b/string/string.h
index b103e64912..c398569c15 100644
--- a/string/string.h
+++ b/string/string.h
@@ -453,6 +453,10 @@ extern void bcopy (const void *__src, void *__dest, size_t __n)
 /* Set N bytes of S to 0.  */
 extern void bzero (void *__s, size_t __n) __THROW __nonnull ((1));
 
+/* As bzero, but the compiler will not delete a call to this
+   function, even if S is dead after the call.  */
+extern void explicit_bzero (void *__s, size_t __n) __THROW __nonnull ((1));
+
 /* Compare N bytes of S1 and S2 (same as memcmp).  */
 extern int bcmp (const void *__s1, const void *__s2, size_t __n)
      __THROW __attribute_pure__ __nonnull ((1, 2));