Program concatenate two string

Program to concatenate two string

Combined two string means add both string with each other, we can perform this operation using library function or without library function. For example if first string is john and second string is porter then after combined these string output is johnporter.

#include<stdio.h>
#include<conio.h>
#include<string.h>

void main()
{
char *ch1="john ";
char *ch2="porter";
char *ptr;
clrscr();
printf("\n\n1 st String: %s",ch1);
printf("\n\n2 nd String: %s",ch2);
strcat(ch1,ch2);
printf("\n\nString is: %s",ch1);
getch();
}

1 st String: john
2 nd String: porter
String is: johnporter