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Arm Compiler Arm C and C++ Libraries and Floating-Point Support User Guide : Using low-level functions when exploiting the C library

Using low-level functions when exploiting the C library

If you are using the libraries in an application that does not have a main() function, you must re-implement some functions in the library.

Caution

__rt_raise() is essential if you are using the heap.

Note

If rand() is called, srand() must be called first. This is done automatically during library initialization but not when you avoid the library initialization.

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