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Is there a way that you can assign memory from heap without a call to malloc?
Can the following call be affective for it?
void* loc = (void*) &heap[end_of_heap];
No. The C language itself provides no such functionality. If you only care about Unix systems conforming to a deprecated feature of an old version of the Unix standard (SUSv2 or earlier, if I remember correctly), the
brkandsbrkfunctions provide this functionality. But you really should not use it unless you’re writing very low-level code that will never need to be portable.