#include<stdio.h>
#include<unistd.h>
#include<string.h>

int main(int argc, char ** argv){
	for(int i = 0; i < argc; i++){
		printf("Argument %d:  %s\n", i, argv[i]);
	}

	const char* message = "This is on standard output\n"; 
	write(1, message, strlen(message));

	const char* newmessage = "This is on standard error\n";
	write(2, newmessage, strlen(newmessage));

	char buffer[1024];
	ssize_t readlen;
	for(;;){
		readlen = read(0, buffer, 1024);
		if(readlen < 1)
			break;
		write(1, buffer, readlen);
	}
	
	return 0;
}