Find length of string without built-in function

#include <stdio.h> int main() { char s[1000]; int i=0; printf("Enter a string: "); scanf("%s", s); while(s[i] !=...

Concat two strings without built-in function

#include <stdio.h> int main() { char s1[100], s2[100], i, j; printf("Enter first string: "); scanf("%s", s1); printf("Enter...

Copy string without built-in function

#include <stdio.h> int main() { char s1[100], s2[100], i; printf("Enter string s1: "); scanf("%s",s1); for(i = 0; s1[i]...