• DEFAULT_MAX_CACHE_AGE : rospack.cpp , rosstack.cpp
• g_deps_only : rosstack.cpp
• g_length : rosstack.cpp
• g_profile_length : rosstack.cpp
• g_rosstack : rosstack.cpp
• g_stack : rosstack.cpp
• MAX_DEPENDENCY_TREE_DEPTH : rospack.cpp
• MAX_DIRECTORY_DEPTH : rospack.cpp