How Does `sizeof` Differently Handle String Literals, Arrays, and Pointers in C ?

Sizeof String Literal: Understanding the Memory Footprint of String Constants

In C , string literals are an integral part of code, representing fixed sequences of characters. The sizeof operator plays a crucial role in understanding the memory allocation and layout of these string literals.

Question 1: Why Does sizeof Calculate the Length of a String Literal?

When applied to a string literal, such as "f", the sizeof operator measures the number of characters stored in the literal, including the terminating null character ('

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