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  1. #define WINDOWS_OS !defined(__linux__) && !defined(__unix__) && !defined(__APPLE__)
  2.  
  3. #if WINDOWS_OS
  4. #  include <fcntl.h>
  5. #  include <io.h>
  6. #endif
  7. #include <stdio.h>
  8. #include <stdlib.h>
  9.  
  10. #if WINDOWS_OS
  11. #  if defined(__BORLANDC__)
  12. #    define Setmode(f,t) setmode((f),(t))
  13. #    define Fileno(f)    fileno(f)
  14. #    define O_Binary     O_BINARY
  15. #  else
  16. #    define Setmode(f,t) _setmode((f),(t))
  17. #    define Fileno(f)    _fileno(f)
  18. #    define O_Binary     _O_BINARY
  19. #  endif
  20. #else
  21. #  define Setmode(f,t) 0
  22. #endif
  23. #define ArrLen(arr)  (sizeof(arr) / sizeof(arr[0]))
  24.  
  25. /* CRコードをカウントする。 */
  26.  
  27. int main(int argc, char *args[]) {
  28.  
  29. 	int ch;
  30. 	int count = 0;
  31. 	char data[100];
  32. 	int i, sz, md;
  33. 	FILE *file;
  34.  
  35. 	if (argc == 2) {
  36. 		file = fopen(args[1], "rb");
  37. 		if (file == NULL) {
  38. 			perror(NULL);
  39. 			exit(EXIT_FAILURE);
  40. 		}
  41. 	} else if (argc > 2) {
  42. 		printf("arguments are 0 or 1.\n");
  43. 		return 0;
  44. 	} else {
  45. 		md = Setmode(Fileno(stdin), O_Binary);
  46. 		if (md == -1) {
  47. 			perror(NULL);
  48. 			exit(EXIT_FAILURE);
  49. 		}
  50. 		file = stdin;
  51. 	}
  52.  
  53.  
  54. 	while ((sz = fread(data, sizeof(data[0]), ArrLen(data), file)) != 0) {
  55. 		for (i = 0; i < sz; ++i) {
  56. 			if (data[i] == 0x0D) {
  57. 				++count;
  58. 			}
  59. 		}
  60. 	}
  61.  
  62. 	printf("Count CR Code (0x0D): %d\n", count);
  63.  
  64. 	if (file != stdin) {
  65. 		fclose(file);
  66. 	}
  67.  
  68. 	return 0;
  69. }
  70.  
Success #stdin #stdout 0s 2296KB
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おお！
CRカウントでけた！
stdout
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Count CR Code (0x0D): 0
https://ideone.com/6HibnE
CRコード(0x0D)をカウントしたい
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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