C function to concatenate string

String concatenate

void strct(char s[],char t[]);
int main()
{
    char s[7] = "mehul ";
    char t[6] = "dhara";
    
    strct(s,t);
    
    printf("%s",s);
    return 0;
    
}

void strct(char s[],char t[])
{
    int i,j;
    i=j=0;
    while(s[++i] != '\0')
        ;
        while((s[i++] = t[j++]) != '\0')
            ;
}