In C, a character variable holds ASCII value (an integer number between 0 and 127) rather than the character itself. You will learn how to find ASCII value in C Programming.
To understand this Program to Find ASCII Value in C, you should have the knowledge of following C programming topics:
- Data Types
- Constants
- Variables
- Input-Output (I/O)
A character variable holds ASCII value (an integer number between 0 and 127) rather than that character itself in C programming. That value is known as ASCII value.
For example, ASCII value of ‘A’ is 65.
What this means is that, if you assign ‘A’ to a character variable, 65 is stored in that variable rather than ‘A’ itself.
Program to Print ASCII Value
#include <stdio.h>
int main()
{
char c;
printf("Enter a character: ");
// Reads character input from the user
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
In this program, the user is asked to enter a character which is stored in variable C. The ASCII value of that character is stored in the variable C rather than that variable itself.
When %d format string is used, 71 (ASCII value of ‘G’) is displayed.
When %c format string is used, ‘G’ itself is displayed.
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