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-rw-r--r--stdlib/stdlib.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index a7488e0ce8..49374bd396 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -88,7 +88,7 @@ extern long long int atoll __P ((__const char *__nptr));
 extern double strtod __P ((__const char *__restrict __nptr,
 			   char **__restrict __endptr));
 
-#ifdef	__USE_GNU
+#ifdef	__USE_ISOC9X
 /* Likewise for `float' and `long double' sizes of floating-point numbers.  */
 extern float strtof __P ((__const char *__restrict __nptr,
 			  char **__restrict __endptr));
@@ -241,7 +241,7 @@ strtoul (__const char *__restrict __nptr, char **__restrict __endptr,
   return __strtoul_internal (__nptr, __endptr, __base, 0);
 }
 
-# ifdef __USE_GNU
+# ifdef __USE_ISOC9X
 extern __inline float
 strtof (__const char *__restrict __nptr, char **__restrict __endptr)
 {