There are two way to copy one sting into another string in C++ programming language, first using pre-defined library function strcpy() and other is without using any library function.
Using Library Function
#include<iostream.h> #include<conio.h> #include<string.h> void main() { char s1[10], s2[10]; clrscr(); cout<<"Enter string s1: "; cin>>s1; strcpy(s2, s1); cout<<"String s2: "<<s2; getch(); }
Output
Enter string s1: Kumar String s2: Kumar
Without Using Library Functions
#include<iostream.h> #include<conio.h> int main() { char s1[100], s2[100], i; clrscr(); cout<<"Enter string s1: "; cin>>s1; for(i=0; s1[i]!='\0'; ++i) { s2[i]=s1[i]; } s2[i]='\0'; cout<<"String s2: "<<s2; getch(); }
Output
Enter string s1 : Kumar String s2: Kumar
Explanation of Code
for(i=0; s1[i]!='\0'; ++i) { s2[i]=s1[i]; }
In the above code first we check string first is not null and after that we initialize one by one elements of first string into second string.
