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-rw-r--r--include/string.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/string.h b/include/string.h
index ca22055ed..66f64e7d1 100644
--- a/include/string.h
+++ b/include/string.h
@@ -374,11 +374,10 @@ extern char *rindex (__const char *__s, int __c)
/* Return the position of the first bit set in I, or 0 if none are set.
The least-significant bit is position 1, the most-significant 32. */
extern int ffs (int __i) __THROW __attribute__ ((__const__));
-libc_hidden_proto(ffs)
/* The following two functions are non-standard but necessary for non-32 bit
platforms. */
-# if 0 /*#ifdef __USE_GNU*/
+#ifdef __USE_GNU
extern int ffsl (long int __l) __THROW __attribute__ ((__const__));
# ifdef __GNUC__
__extension__ extern int ffsll (long long int __ll)
@@ -386,6 +385,13 @@ __extension__ extern int ffsll (long long int __ll)
# endif
# endif
+#ifdef _LIBC
+extern __typeof(ffs) __libc_ffs;
+libc_hidden_proto(__libc_ffs);
+extern __typeof(ffsll) __libc_ffsll;
+libc_hidden_proto(__libc_ffsll)
+#endif
+
/* Compare S1 and S2, ignoring case. */
extern int strcasecmp (__const char *__s1, __const char *__s2)
__THROW __attribute_pure__ __nonnull ((1, 2));