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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
int main(int argc, char *argv[])
{
int ret = EXIT_FAILURE;
int fd = open(argv[1], O_RDONLY|O_TRUNC);
if (fd) {
ret = EXIT_SUCCESS;
close(fd);
}
return ret;
}
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