c struct stack allocation

How to allocate space for struct in C?
To allocate memory for a struct, we declare a variable using our new data type. struct flightType plane; Memory is allocated, and we can access individual members of this variable: plane.
Are structs allocated on the stack?
In general, structs are allocated on the stack if they're small enough (less than 16 bytes) and don't contain any reference types.
However, if a struct contains reference types, it may be too large to fit on the stack, and the runtime may allocate it on the heap instead._{17 avr. 2023}
Are structs stored in the heap in C?
There are several ways to obtain memory for an instance of your struct in C: using a global, static-lifetime struct, stack-allocating a local struct with automatic lifetime, or heap-allocating dynamic-lifetime memory to hold the struct.
C# structs are allocated on the stack unless "boxed". when "boxed" they are copied to the heap and must be garbage collected like a class instance. also as they do not implement inheritance, the methods do not require a vtable.

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