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-rw-r--r--stdlib/stdlib.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index 75750205c8..d1f3841f1b 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -497,8 +497,8 @@ extern void cfree (void *__ptr) __THROW;
# include <alloca.h>
#endif /* Use GNU, BSD, or misc. */
-#if ((defined __USE_BSD || defined __USE_XOPEN_EXTENDED) \
- && !defined __USE_XOPEN2K) || defined __USE_GNU
+#if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K) \
+ || defined __USE_BSD
/* Allocate SIZE bytes on a page boundary. The storage cannot be freed. */
extern void *valloc (size_t __size) __THROW __attribute_malloc__ __wur;
#endif
@@ -586,7 +586,7 @@ extern int setenv (__const char *__name, __const char *__value, int __replace)
__THROW __nonnull ((2));
/* Remove the variable NAME from the environment. */
-extern int unsetenv (__const char *__name) __THROW;
+extern int unsetenv (__const char *__name) __THROW __nonnull ((1));
#endif
#ifdef __USE_MISC
@@ -597,8 +597,8 @@ extern int clearenv (void) __THROW;
#endif
-#if ((defined __USE_MISC || defined __USE_XOPEN_EXTENDED) \
- && !defined __USE_XOPEN2K) || defined __USE_GNU
+#if defined __USE_MISC \
+ || (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K)
/* Generate a unique temporary file name from TEMPLATE.
The last six characters of TEMPLATE must be "XXXXXX";
they are replaced with a string that makes the file name unique.
@@ -797,8 +797,8 @@ __END_NAMESPACE_C99
#endif
-#if ((defined __USE_SVID || defined __USE_XOPEN_EXTENDED) \
- && !defined __USE_XOPEN2K) || defined __USE_GNU
+#if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K) \
+ || defined __USE_SVID
/* Convert floating point numbers to strings. The returned values are
valid only until another call to the same function. */