Sum of Digits in a String Program plan: Include the required header files to the program. Declare function prototype which is used in the program. Define the “main()” function. Declare the required variables. Get the input C-string from the user and call the function “digit” with the input C-string. The “for” loop is used to convert the C-string to digit Call the function “digit” with an argument and store it in a variable. Sum all that values and store in a separate variable. Found the highest and lowest value of the C-string using “if” condition. Print the result. Define the “digit” function. Declare the required variable. Convert the character string to integer. Define an array to hold an empty string value. Convert that string to integer using “atoi” function. If the input is not a digit, return 0. Finally return the result to the main function.

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Chapter 12, Problem 6PC

Program Plan Intro

Sum of Digits in a String

Program plan:

Include the required header files to the program.

Declare function prototype which is used in the program.

Define the “main()” function.

Declare the required variables.

Get the input C-string from the user and call the function “digit” with the input C-string.

The “for” loop is used to convert the C-string to digit

Call the function “digit” with an argument and store it in a variable.

Sum all that values and store in a separate variable.

Found the highest and lowest value of the C-string using “if” condition.

Print the result.

Define the “digit” function.

Declare the required variable.

Convert the character string to integer.

Define an array to hold an empty string value.

Convert that string to integer using “atoi” function.

If the input is not a digit, return 0.

Finally return the result to the main function.

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