What does the pointer to a variable refer to?
The pointer of a variable refers to the address of the variable. In C language, a variable is allowed to store a pointer, which is called a pointer variable. The value of a pointer variable is the address of a certain piece of data. Such data can be an array, a string, a function, or another pointer variable.
#The pointer to a variable refers to the address of the variable.
(Recommended learning: C language tutorial)
Analysis:
C language uses variables to store data and functions to define a section Code that can be reused must eventually be placed in memory before it can be used by the CPU.
The CPU can only obtain the code and data in the memory through the address. During the execution process, the program will inform the CPU of the code to be executed and the address of the data to be read and written.
In C language, a variable is allowed to store a pointer. This variable is called a pointer variable. The value of a pointer variable is the address of a certain piece of data. Such data can be an array, a string, a function, or another ordinary variable or pointer variable.
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