Take a first name and a last name and combines the two strings

Program

#include <string.h>
#include <stdio.h>
    int main()
    {
        char first[100];
        char last[100];
        char full_name[200];


        strcpy(first, "first");
        strcpy(last, "last");

        strcpy(full_name, first);


        strcat(full_name, " ");
        strcat(full_name, last);

        printf("The full name is %s\n", full_name);

        return (0);
    }

Result

The full name is first last