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C Program to Find ASCII Value of a Character

C Program to Find ASCII Value of a Character. In this Article you will learn how to find the ASCII value of a character. To understand this example, you should have the knowledge of the following C programming topics:

  • C Data Types
  • C Variables, Constants and Literals
  • C Input Output (I/O)

In C programming, a character variable holds ASCII value (an integer number between 0 and 127) rather than that character itself. This integer value is the ASCII code of the character.

For example, the ASCII value of ‘A’ is 65.

What this means is that, if you assign ‘A’ to a character variable, 65 is stored in the variable rather than ‘A’ itself.

Now, let’s see how we can print the ASCII value of characters in C programming.

Program to Print ASCII Value

#include <stdio.h>
int main() {  
    char c;
    printf("Enter a character: ");
    scanf("%c", &c);  
    
    // %d displays the integer value of a character
    // %c displays the actual character
    printf("ASCII value of %c = %d", c, c);
    
    return 0;
}

Output

Enter a character: G
ASCII value of G = 71
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Additional Reading

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