/* * C Program to Copy One String to Another using Recursion */ #include void copy(char [], char [], int); int main() { char str1[20], str2[20]; printf("Enter string to copy: "); scanf("%s", str1); copy(str1, str2, 0); printf("Copying success.\n"); printf("The first string is: %s\n", str1); printf("The second string is: %s\n", str2); return 0; } void copy(char str1[], char str2[], int index) { str2[index] = str1[index]; if (str1[index] == '\0') return; copy(str1, str2, index + 1); }