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-rw-r--r--stdlib/stdlib.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index bac8ed6..248aa33 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -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