Pointers are special variables that store memory addresses and can be used to indirectly access the value of another variable. Pointers point to the first byte of whatever it is referencing and are declared using an asterisk next to the variable type, such as int *ptr. Important points about pointers are that they store addresses, point to the first byte, and the type must match the data being pointed to.

1. Introduction to pointers
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Important points
• Pointer is special variable that is capable of storing some address
• It points to the first byte only!
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5. Declaring pointers
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