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-rw-r--r--include/stdlib.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/stdlib.h b/include/stdlib.h
index 354134906..0b4447480 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -802,8 +802,10 @@ extern int getsubopt (char **__restrict __optionp,
#ifdef __USE_XOPEN
+# if defined __UCLIBC_HAS_CRYPT__
/* Setup DES tables according KEY. */
extern void setkey (__const char *__key) __THROW __nonnull ((1));
+# endif /* __UCLIBC_HAS_CRYPT__ */
#endif