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#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
int main()
{
if (open("/usr/test",0) < 0)
{
printf("%m \n");
printf("%s \n",strerror(errno));
}
return 0;
}
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