lst-0105-book.cpp
//https://godbolt.org/z/a6qqbWKMs
#include <cstdlib>
#include <iostream>
int main(int argc, char* argv[]) {
for(int i=1; i<argc; ++i) { // Start bei 1
for(char* p=argv[i]; *p!='\0'; ++p) {
char c = toupper(*p);
std::cout << c;
}
std::cout << ' ';
}
std::cout << '\n';
}