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-rw-r--r--posix/unistd.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/posix/unistd.h b/posix/unistd.h
index 3b75286d9e..e482d1b256 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -235,12 +235,12 @@ typedef __pid_t pid_t;
 # endif
 #endif	/* X/Open */
 
-#ifdef __USE_UNIX98
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
 # ifndef __intptr_t_defined
 typedef __intptr_t intptr_t;
 #  define __intptr_t_defined
 # endif
-#endif	/* Unix98 */
+#endif
 
 /* Values for the second argument to access.
    These may be OR'd together.  */