$ cat hello.c
/*
* Placed in the public domain by Bryan O'Sullivan. This program is
* not covered by patents in the United States or other countries.
*/
#include <stdio.h>
int main(int argc, char **argv)
{
printf("once more, hello.\n");
printf("hello, world!\");
return 0;
}
$ cat ../my-hello/hello.c
/*
* Placed in the public domain by Bryan O'Sullivan. This program is
* not covered by patents in the United States or other countries.
*/
#include <stdio.h>
int main(int argc, char **argv)
{
printf("hello, world!\");
printf("hello again!\n");
return 0;
}