requirements_file_name = repository_ctx.os.environ.get("REQUIREMENTS_FILE_NAME", "requirements.in")
    repository_ctx.file(
        "updater_config_repository.bzl",
        "REQUIREMENTS_FILE_NAME = \"%s\"" %
        requirements_file_name,
    )

updater_config_repository = repository_rule(
    implementation = _updater_config_repository_impl,
    environ = ["REQUIREMENTS_FILE_NAME"],

 #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)
       if (!strncmp (*ep, name, len) && (*ep)[len] == '=')
 	{
@@ -332,6 +333,7 @@ unsetenv (const char *name)
 	}
       else
 	++ep;
+  }