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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3.  
  4. #define FILENAME "book-6.dat"
  5. struct BOOK{
  6.   char date[50];
  7.   char item[100];
  8.   int flag;
  9.   int tanka;
  10.   int suryo;
  11. };
  12.  
  13. #if 0
  14. 20120601 1 meat    125 10000
  15. 20120602 1 rice   2000    10
  16. 20120603 0 uriage  500   100
  17. 20120603 1 beer    140    24
  18. #endif
  19.  
  20. #define MAXLINE 100
  21.  
  22. int readData(FILE *fp, struct BOOK *book) {
  23.   int i;
  24.   for (i = 0; i < MAXLINE; i++) {
  25.     if (fscanf(fp, "%s %d %s %d %d\n",
  26.                book[i].date, &book[i].flag, book[i].item, &book[i].tanka, &book[i].suryo) != 5)
  27.       break;
  28.   }
  29.   return i;
  30. }
  31. int main() {
  32.   struct BOOK mybook[100];
  33.   int i, n;
  34.   FILE *fp;
  35.   if((fp = fopen(FILENAME, "r")) == 0) {
  36.     fprintf(stderr, "%s cannot be found!\n", FILENAME);
  37.     exit(1);
  38.   }
  39.   n = readData(fp, mybook);
  40.   fclose(fp);
  41.   for(i = 0; i < n; i++){
  42.     printf("%s : %d x %d\n", mybook[i].item, mybook[i].tanka, mybook[i].suryo);
  43.   }
  44.   return 0;
  45. }
  46. /* end */
  47.  
Runtime error #stdin #stdout 0.01s 1848KB
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Standard input is empty
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Standard output is empty
https://ideone.com/W2Mur
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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