Question

Write a function named "characters" that takes a string as a parameter and returns the number of characters in the input string

Answer 1

Source Code:

Output:

Code in text format (See above images of code for indentation):

/*include library files*/
#include <stdio.h>

/*main function*/
int main()
{

int characters(char[]);
   /*variables*/
   char str[50];
   int n;
   /*read a string from user*/
   printf("Enter a string: ");
   scanf("%s",str);
   /*function call*/
   n=characters(str);
   /*print total characters*/
   printf("Total number of characters is: %d",n);
   return 0;
}
/*function definition*/
int characters(char str[])
{
   /*variables*/
   int i,c=0;
   /*using loop count characters*/
   for(i=0;str[i]!='\0';i++)
       c++;
   /*return count*/
   return c;
}