What is a pointer in C?
a) A variable that stores the address of another variable
b) A data type
c) A constant
d) An operator
Answer:
a) A variable that stores the address of another variable
Explanation:
A pointer in C is a variable that stores the memory address of another variable. Pointers are powerful tools in C programming because they allow for direct memory access and manipulation, which can lead to more efficient code. They are also essential for dynamic memory allocation, working with arrays, and passing large structures or arrays to functions.
Understanding pointers is crucial for advanced C programming, as they are involved in many aspects of system-level programming and resource management.