#include <stdio.h>
#include <errno.h>
#include <sys/stat.h>

int
main(int argc, char* argv[])
{
	char* file = argv[1];
	FILE* fp = fopen(file, "wb+");
	if (!fp)
	{
		printf("fopen(%s) failed with errno = %d\n", file, errno);
		return 1;
	}

	int status = remove(file);
	if (status < 0)
	{
		printf("remove(%s) failed with errno = %d\n", file, errno);
		return 2;
	}

	struct stat buf;
	status = fstat(fileno(fp), &buf);
	if (status < 0)
		printf("fstat() failed with errno = %d\n", errno);

	if (S_ISDIR(buf.st_mode))
		printf("dir\n");
	else
		printf("not dir\n");

	return 0;
}