Abstract: The invention relates to an air conditioning and/or beating system (1) for vehicles having a housing (3) which is designed to be positioned partially in or entirely on a vehicle roof (5) and comprises at least one component (7) of the air conditioning and/or heating systems (1), wherein the housing (3) is composed at least partially of foamed plastic, and at least one area of the surface of the housing is coated with a material which is resistant to ultraviolet radiation, and the housing (3) or housing part which is composed of foamed plastic contains at least a part of at least one insert which is designed to contribute to mounting the housing (3) on a vehicle roof (5) or in a recess in the vehicle roof (5).

Abstract: In a method for converting a system call for an origin operating system into a system call for a destination operating system, an emulation routine is called. The emulation routine converts a reference structure comprising a reference value and at least one referenced element by converting at least the reference value, and it performs the system call for the destination operating system This method makes it possible to run application programs on a destination system without specific adaptation or retranslation, and even when the original operating system has not been ported to the destination system.