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-rw-r--r--include/stdlib.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/stdlib.h b/include/stdlib.h
index e9a8b84c2..1f15531e4 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -690,6 +690,9 @@ typedef int (*__compar_fn_t) (__const void *, __const void *);
typedef __compar_fn_t comparison_fn_t;
# endif
#endif
+#ifdef __USE_GNU
+typedef int (*__compar_d_fn_t) (__const void *, __const void *, void *);
+#endif
__BEGIN_NAMESPACE_STD
/* Do a binary search for KEY in BASE, which consists of NMEMB elements
@@ -703,7 +706,12 @@ extern void *bsearch (__const void *__key, __const void *__base,
extern void qsort (void *__base, size_t __nmemb, size_t __size,
__compar_fn_t __compar) __nonnull ((1, 4));
libc_hidden_proto(qsort)
-
+#ifdef __USE_GNU
+extern void qsort_r (void *__base, size_t __nmemb, size_t __size,
+ __compar_d_fn_t __compar, void *__arg)
+ __nonnull ((1, 4));
+libc_hidden_proto(qsort_r)
+#endif
/* Return the absolute value of X. */
extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;