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#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#define CSTR(s) (s), sizeof(s)-1
int main(int argc, char *argv[])
{
if (argc != 3) {
write(2, argv[0], strlen(argv[0]));
write(2, CSTR(": incorrect usage\n"));
exit(1);
}
if (link(argv[1], argv[2])) {
write(2, argv[0], strlen(argv[0]));
write(2, CSTR(": "));
write(2, strerror(errno), strlen(strerror(errno)));
write(2, CSTR("\n"));
exit(1);
}
return 0;
}
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