+# define __attribute_copy__(arg) __attribute__ ((__copy__ (arg)))
+#else
+# define __attribute_copy__(arg)
+#endif
+
 #endif	 /* sys/cdefs.h */
diff --git a/stdlib/setenv.c b/stdlib/setenv.c
index 45efe2e..06bfab0 100644
--- a/stdlib/setenv.c
+++ b/stdlib/setenv.c
@@ -319,6 +319,7 @@ unsetenv (const char *name)
 
   ep = __environ;
   if (ep != NULL)
+  {
     while (*ep != NULL)

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	SMULL R0, R5, R0                           // a07c209b
	SMC $37977                                 // 238b12d4
	STLRW R16, (R22)                           // d0fe9f88
	STLR R3, (R24)                             // 03ff9fc8
	STLRB R11, (R22)                           // cbfe9f08
	STLRH R16, (R23)                           // f0fe9f48
	STLXR R7, (R27), R8                        // 67ff08c8
	STLXRW R13, (R15), R14                     // edfd0e88

	LDAXP	(R25), (R30, R11)                    // 3eaf7fc8
	LDAXRW	(R0), R2                             // 02fc5f88
	LDXPW	(R24), (R23, R11)                    // 172f7f88
	LDXP	(R0), (R16, R13)                     // 10347fc8
	STLRB	R11, (R22)                           // cbfe9f08
	STLRH	R16, (R23)                           // f0fe9f48
	STLXP	(R6, R3), (R10), R2                  // 468d22c8
	STLXPW	(R6, R11), (R22), R21                // c6ae3588