|Linux Standard Base C++ Specification for S390 3.0Preview1|
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An application shall satisfy the following requirements:
Its executable files are either shell scripts or object files in the format defined for the Object File Format system interface.
Its object files participate in dynamic linking as defined in the Program Loading and Linking System interface.
It employs only the instructions, traps, and other low-level facilities defined in the Low-Level System interface as being for use by applications.
If it requires any optional interface defined in this document in order to be installed or to execute successfully, the requirement for that optional interface is stated in the application's documentation.
It does not use any interface or data format that is not required to be provided by a conforming implementation, unless:
If such an interface or data format is supplied by another application through direct invocation of that application during execution, that application is in turn an LSB conforming application.
The use of that interface or data format, as well as its source, is identified in the documentation of the application.
It shall not use any values for a named interface that are reserved for vendor extensions.