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The calloc function performs dynamic memory allocation in C, and is part of the standard library.


Free is a function to deallocate memory obtained from malloc and other functions in C. Do not use this tag to refer to free software



Malloc free is harder because thereĆ¢ s also calloc and realloc

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Does it matter for the free() and delete[] if allocation was done on stack or heap?

No need to initialise to null before malloc but any variable pointers that you later free should be set to null and only free if not null;also initialise pointer values in your structs to null easier to use calloc and get this automatically so your guards work properly

from question  

Freeing memory in a function

Sometimes calloc is more preferable call in c as it protects on some platforms against overflow and remember to free

from question  

Dynamically allocating an array of a struct

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