How to print a variable name in C? Last Updated : 02 Jan, 2025 Comments Improve Suggest changes Like Article Like Report Printing a variable name means printing the identifier that is assigned to the variable. To print it, it should be in the form of string. This can be done by using stringification.Stringification in C is the method to convert the argument of a function like macro to a string. This can be done with the help of stringize operator # and define preprocessor. Let's take a look at an example: C #include <stdio.h> // Macro to stringize the given argument #define STRINGIZE_THIS(var) #var int main() { int name_of_var = 10; // Use the macro to stringize the name of // variable and then print it using printf printf("%s", STRINGIZE_THIS(name_of_var)); return 0; } Outputname_of_varExplanation: The name of the variable is passed to the function like macro STRINGIZE_THIS() and it converts it to string by inclosing it in double quotes. Basically it converts the statement STRINGIZE_THIS(name_of_var) to "name_of_var". Then this string is easily printed by the printf() function. Comment More infoAdvertise with us A Abhay Rathi Improve Article Tags : C Language c-puzzle cpp-macros C-Macro & Preprocessor Similar Reads C Preprocessors Preprocessors are programs that process the source code before the actual compilation begins. They are not part of the compilation process but operate separately, allowing programmers to modify the code before compilation. It is the first step that the C source code goes through when being converted 8 min read C Preprocessor Directives In C programming, the preprocessor is a program that process the source code before the actual compilation begins. It uses preprocessor directives are commands that instruct the preprocessor to perform specific actions. These directives start with the # symbol.List of Preprocessor DirectivesThe foll 6 min read How a Preprocessor works in C? Compiling a C program - Behind the Scene A Preprocessor is a system software (a computer program that is designed to run on computer's hardware and application programs). It performs preprocessing of the High Level Language(HLL). Preprocessing is the first step of the language processing system. Lan 3 min read Header Files in C In C programming, a header file is a file that ends with the .h extension and contains features like functions, data types, macros, etc that can be used by any other C program by including that particular header file using "#include" preprocessor.C language uses header files to provide the standard 5 min read What’s difference between header files "stdio.h" and "stdlib.h" ? In C programming, standard header files provide various inbuilt functionalities and two of the most commonly used standard header files are stdio.h and stdlib.h. The <stdio.h> provides Standard Input Output tools such as printf(), scanf(), etc while <stdlib.h> provides some commonly used 4 min read How to write your own header file in C? As we all know that files with .h extension are called header files in C. These header files generally contain function declarations which we can be used in our main C program, like for e.g. there is need to include stdio.h in our C program to use function printf() in the program. So the question ar 4 min read Macros and its types in C In C programming, a macro is a symbolic name or constant that represents a value, expression, or code snippet. They are defined using the #define directive, and when encountered, the preprocessor substitutes it with its defined content.ExampleC#include <stdio.h> // Macro definition #define LIM 4 min read Interesting Facts about Macros and Preprocessors in C In a C program, all lines that start with # are processed by preprocessor which is a special program invoked by the compiler. by this we mean to say that the ‘#’ symbol is used to process the functionality prior than other statements in the program, that is, which means it processes some code before 5 min read # and ## Operators in C In C, # and ## operators are preprocessor operators using in macros for token manipulation. They are known as stringizing and token pasting operators and are used in macro definition with #define preprocessor. In this article, we will learn about these operators and how to use them in C programs.Str 3 min read How to print a variable name in C? Printing a variable name means printing the identifier that is assigned to the variable. To print it, it should be in the form of string. This can be done by using stringification.Stringification in C is the method to convert the argument of a function like macro to a string. This can be done with t 1 min read Like