67. WRITE A C PROGRAM TO COPY ONE STRING INTO OTHER WITHOUT USING LIBRARY FUNCTION.

/*C program to Copy One String into Other Without Using Library Function.*/

#include<stdio.h>
int main() {
char s1[100], s2[100];
int i;
printf("\nEnter the string :");
gets(s1);
i = 0;
while (s1[i] != '\0') {
s2[i] = s1[i];
i++;
}
s2[i] = '\0';
printf("\nCopied String is %s ", s2);
return (0);
}

output

Enter the string : kucet
Copied String is kucet