LABWORK 4
In this program you are going to find the letters in a given string and copy them to another string recursively.
● Function 1:
○ Name of the function: is_letter
○ Return type of the function: int
○ 1. Parameter: char
○ Checks if the character is a letter.
● Function 2:
○ Name of the function: letters
○ Return type of the function: void
○ 1. Parameter: Pointer to the destination string
○ 2. Parameter: Pointer to the source string
○ This function will copy the letters from the source string to another string. Use recursion, do not use loop structures.
● Main function:
○ Write a main function to test your code, you do not need to take values from the user. You can manually create your array.
Example Output:
Input string : “mx90456453abxxx cxd,,,, fxxxxx xxgxxx”
