Strcat

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

Syntax :

strcat(first_string, second_string)

Example :

#include <stdio.h>

int main(void)
{
    char firststring[10]={'h','e','l','l','o',' ','\0'};
    char secondstring[10]={'w','o','r','l','d','\0'};

    strcat(firststring,secondstring);

    printf("Value of first string is : %s",firststring);
}

Output :

Value of first string is : hello world