C String Concatenation: strcat()

The strcat(first_string, second_string) function concatenates two strings and result is returned to first_string.

#include<stdio.h>
#include <string.h>
int main(){
char ch[10]={'h', 'e', 'l', 'l', 'o', '\0'};
char ch2[10]={'c', '\0'};
strcat(ch,ch2);
printf("Value of first string is: %s",ch);
return 0;
}

 

Output:

Value of first string is: helloc