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C Program to find ASCII Value of Total Characters in a String

by suresh

How to write a C Program to find ASCII Value of Total Characters in a String using For loop and while loop with a practical example.

C Program to find ASCII Value of Total Characters in a String Example

This program uses For Loop to iterate each character inside a string. Inside this, we used the printf statement to print characters and their ASCII values. Please refer to the ASCII table to understand ASCII values in C Programming.

/* C Program to find ASCII Value of Total Characters in a String */
#include <stdio.h>
int main()
{
    char str[100];
    
    printf("\n Please Enter any String  :  ");
    scanf("%s", str);
        
    for( int i = 0; str[i] != ‘\0’; i++)
    {
        printf(" The ASCII Value of Character %c  = %d \n", str[i], str[i]);
    }
    return 0;
}

OUTPUT

C Program to find ASCII Value of Total Characters in a String 1

ANALYSIS

str[] = python

For Loop First Iteration: for( int i = 0; str[i] != ‘\0’; i++)

The condition is True because str[0] = p. So, the compiler will execute the printf statement.

Do the same for the remaining For Loop iterations.

Program to find ASCII Value of Total Characters in a String using While loop

In this ASCII values C program, We replaced the For Loop with While Loop.

/* C Program to find ASCII Values of Total Characters in a String */
#include <stdio.h>
int main()
{
    char str[100];
    int i = 0;
    
    printf("\n Please Enter any String  :  ");
    scanf("%s", str);
        
    while( str[i] != '\0')
    {
        printf(" The ASCII Value of Character %c  = %d \n", str[i], str[i]);
        i++;
    }
    return 0;
}

OUTPUT

C Program to find ASCII Value of Total Characters in a String 2

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