Function getenv_is_true

freebsd/kern/kern_environment.c:977–985

* Wrapper around getenv_bool to easily check for true. */

 * Wrapper around getenv_bool to easily check for true.
 */
bool
getenv_is_true(const char *name)
{
	bool val;

	if (getenv_bool(name, &val) != 0)
		return (val);
	return (false);
}

/*
 * Wrapper around getenv_bool to easily check for false.