Arrays in C++ for String Processing

#include <iostream>
#include <cstring>

char *tmp()
{
    char name[30];              
    static int s = 0;    
    ++s;
    strcpy(name, "tmp");
    name[3] = static_cast<char>(s + '0');
    name[4] = '\0';
    return(name);
}

int main()
{
    std::cout << "Name: " << tmp(  ) << '\n';
    return(0);
}