diff options
Diffstat (limited to 'posix/unistd.h')
| -rw-r--r-- | posix/unistd.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/posix/unistd.h b/posix/unistd.h index 6f509e96d8..1f4d64516e 100644 --- a/posix/unistd.h +++ b/posix/unistd.h @@ -1158,7 +1158,7 @@ extern void swab (const void *__restrict __from, void *__restrict __to, /* The Single Unix specification demands this prototype to be here. It is also found in <stdio.h>. */ -#if defined __USE_XOPEN || defined __USE_XOPEN2K8 +#if defined __USE_XOPEN && !defined __USE_XOPEN2K /* Return the name of the controlling terminal. */ extern char *ctermid (char *__s) __THROW; #endif |