What is uintptr_t data type

uintptr_t is an unsigned integer type that is capable of storing a data pointer. Which typically means that it’s the same size as a pointer.

It is optionally defined in C++11 and later standards.

A common reason to want an integer type that can hold an architecture’s pointer type is to perform integer-specific operations on a pointer, or to obscure the type of a pointer by providing it as an integer “handle”.

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