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  1. /* Chapter 1. Basic cp file copy program. Win32 Implementation. */
  2. /* cpW file1 file2: Copy file1 to file2. */
  3.  
  4. #include <windows.h>
  5. #include <stdio.h>
  6. #define BUF_SIZE 16384  /* Optimal in several experiments. Small values such as 256 give very bad performance */
  7.  
  8. int main (int argc, LPTSTR argv [])
  9. {
  10. 	HANDLE hIn, hOut;
  11. 	DWORD nIn, nOut;
  12. 	CHAR buffer [BUF_SIZE];
  13. 	if (argc != 3) {
  14. 		fprintf (stderr, "Usage: cp file1 file2\n");
  15. 		return 1;
  16. 	}
  17. 	hIn = CreateFile (argv[1], GENERIC_READ, FILE_SHARE_READ, NULL,
  18. 			OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
  19. 	if (hIn == INVALID_HANDLE_VALUE) {
  20. 		fprintf (stderr, "Cannot open input file. Error: %x\n", GetLastError ());
  21. 		return 2;
  22. 	}
  23.  
  24. 	hOut = CreateFile (argv[2], GENERIC_WRITE, 0, NULL,
  25. 			CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
  26. 	if (hOut == INVALID_HANDLE_VALUE) {
  27. 		fprintf (stderr, "Cannot open output file. Error: %x\n", GetLastError ());
  28. 		CloseHandle(hIn);
  29. 		return 3;
  30. 	}
  31. 	while (ReadFile (hIn, buffer, BUF_SIZE, &nIn, NULL) && nIn > 0) {
  32. 		WriteFile (hOut, buffer, nIn, &nOut, NULL);
  33. 		if (nIn != nOut) {
  34. 			fprintf (stderr, "Fatal write error: %x\n", GetLastError ());
  35. 			CloseHandle(hIn); CloseHandle(hOut);
  36. 			return 4;
  37. 		}
  38. 	}
  39. 	CloseHandle (hIn);
  40. 	CloseHandle (hOut);
  41. 	return 0;
  42. }
  43.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.c:4:10: fatal error: windows.h: No such file or directory
 #include <windows.h>
          ^~~~~~~~~~~
compilation terminated.
stdout 
Standard output is empty
https://ideone.com/P9q9SD
language:
C (gcc 8.3)
created:
266 days ago
visibility:
secret

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