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-rw-r--r--posix/regex_internal.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/posix/regex_internal.h b/posix/regex_internal.h
index 5c39f05dfd..284b23620b 100644
--- a/posix/regex_internal.h
+++ b/posix/regex_internal.h
@@ -381,7 +381,7 @@ typedef struct re_dfa_t re_dfa_t;
 # endif
 #endif
 
-#ifndef NOT_IN_libc
+#if IS_IN (libc)
 static reg_errcode_t re_string_realloc_buffers (re_string_t *pstr,
 						int new_buf_len)
      internal_function;
@@ -731,7 +731,7 @@ re_string_wchar_at (const re_string_t *pstr, int idx)
   return (wint_t) pstr->wcs[idx];
 }
 
-# ifndef NOT_IN_libc
+# if IS_IN (libc)
 #  ifdef _LIBC
 #   include <locale/weight.h>
 #  endif