Code:
#include stdio.h
int length(char [], int);
int main()
{
char word[20];
int count;
printf("Enter a word to count it's length: ");
scanf("%s", word);
count = length(word, 0);
printf("The number of characters in %s are %d.\n", word, count);
return 0;
}
int length(char word[], int index)
{
if (word[index] == '\0')
{
return 0;
}
return (1 + length(word, index + 1));
}
Output:
Enter a word to count it's length: 5
The number of characters in 5 are 1.
Enter a word to count it's length: Executecodes
The number of characters in executecodes are 12.
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