__merge_environ
if (__merge_environ() == -1 || (envVars == NULL && __build_env() == -1))
if (__merge_environ() == -1 || (envVars == NULL && __build_env() == -1))
if (__merge_environ() == -1 || (envVars == NULL && __build_env() == -1))
if (__merge_environ() == -1 || (envVars == NULL && __build_env() == -1))