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-rw-r--r--src/http/ngx_http_variables.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/http/ngx_http_variables.h b/src/http/ngx_http_variables.h
index 67b781e6d..d1b23e8a7 100644
--- a/src/http/ngx_http_variables.h
+++ b/src/http/ngx_http_variables.h
@@ -64,4 +64,8 @@ ngx_int_t ngx_http_variables_add_core_vars(ngx_conf_t *cf);
ngx_int_t ngx_http_variables_init_vars(ngx_conf_t *cf);
+extern ngx_http_variable_value_t ngx_http_variable_null_value;
+extern ngx_http_variable_value_t ngx_http_variable_true_value;
+
+
#endif /* _NGX_HTTP_VARIABLES_H_INCLUDED_ */