String concatenation without strcat in C

Question

I am having trouble concatenating strings in C, without strcat library function. Here is my code

#include
#include
#include<         


        

Answer 1

i think this is an easy one.

#include
int xstrlen(char *);
void xstrcat(char *,char *,int);
void main()
{
    char source[]="Sarker";
    char target[30]="Maruf";
    int j=xstrlen(target);
    xstrcat(target,source,j);
    printf("Source String: %s\nTarget String: %s",source,target);
}
int xstrlen(char *s)
{
    int len=0;
    while(*s!='\0')
    {
        len++;
        s++;
    }
    return len;
}
void xstrcat(char *t,char *s,int j)
{
    while(*t!='\0')
    {
        *t=*t;
        t++;
    }
    while(*s!='\0')
    {
        *t=*s;
        s++;
        t++;
    }
}