This GOAL core module provides functions to manage instances of GOAL core modules or/and GOAL extension modules. Each instance is identifiable by an instance type and an instance-ID. The instance type specifies the GOAL core module or the GOAL extension module. The instance types are defined in …\goal\goal\goal_id.h. The instance-ID is an arbitrary number. Each instance-ID must be used once within the same instance type. GOAL files: goal_inst.[h,c] example: not available