openat.c 188 B

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  1. #include <fcntl.h>
  2. #include <stdio.h>
  3. #include <errno.h>
  4. int main()
  5. {
  6. int ret = openat(AT_FDCWD, "/dev/tty", 0x88102, 0);
  7. printf("return value is %d and errno is %d\n", ret, errno);
  8. }