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In the C programming language, the # symbol is used to denote preprocessor directives. Preprocessor directives are commands to the compiler that instruct it to perform certain actions before the actual compilation process begins. These directives are processed by the preprocessor, which is a separate phase of the compilation process.
Pointers are one of the most powerful features of the C programming language. A pointer is a variable that stores the memory address of another variable. In simpler terms, it "points" to the location of a variable in memory.
like example :
void *genericPtr;
int num = 10;
genericPtr = # // Assigning the address of num to a void pointer
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