I want to share certain C string constants across multiple c files. The constants span multiple lines for readability: const char *QUERY = "SELECT a,b,c " "FROM table..."; Doing above gives …

Oct 26, 2021 · In this tutorial, you'll learn how to use #define and the const qualifier to define them. Let's get started. One of the common ways to define constants in C is to use the #define …

May 8, 2025 · We define a constant in C using the const keyword. Also known as a const type qualifier, the const keyword is placed at the start of the variable declaration to declare that …

In this comprehensive guide, we’ll explore two primary methods of declaring constants in C: the preprocessor directive #define and the keyword const. We’ll dive deep into their usage, …

Aug 18, 2024 · Defining meaningful constants and using them instead of hard-coded values is essential for writing reusable and readable C code. C provides two primary ways to define …

Feb 24, 2020 · static struct qux { int foo, bar; } const s1 = { 1, 2 }; defines a constant variable s1 of type struct qux. You can include it in all translation units you have (but not multiply of course) …

Constants are an important concept in C programming. They allow you to assign readable names to fixed values that are used throughout your code. Understanding how to properly declare, …

In C language, constants can be defined using the #define or const keyword. Give a definition for #define PI 3.14159 #define MAX_VALUE 100 In the example above, both PI and …

Jul 14, 2023 · In C programming, #define is a preprocessor directive that is used to define macros. The macros are the identifiers defined by #define which are replaced by their value …

Jan 22, 2025 · In C programming, constants are fixed values that do not change during the execution of a program. Once a constant is assigned a value, it cannot be modified, ensuring …