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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4.  
  5. #define N 20
  6.  
  7. int my_isspace(char c) {
  8.   return (c == ' ' || c == ',' || c == '.' || c == '\n');
  9. }
  10.  
  11. int read_word(FILE *fp,char buf[N]){
  12.   int i=0;
  13.   for(i=0;i<N;i++){
  14.     buf[i] = '\0';
  15.   }
  16.  
  17.   char c;
  18.   while (c = fgetc(fp), c != EOF && my_isspace(c))
  19.     ;
  20.   if (c == EOF)
  21.     return 0;
  22.   buf[0] = c;
  23.   i = 1;
  24.   while(((c = fgetc(fp)) != EOF) && i < N - 1) {
  25.     buf[i] = c;
  26.     if(my_isspace(c)){
  27.       buf[i] = '\0';
  28.       break;
  29.     }
  30.     i++;
  31.   }
  32.   if (c == EOF) {
  33.     buf[i] = '\0';
  34.   }
  35.   if (i == N - 1) {
  36.     ungetc(c, fp);
  37.     buf[N - 1] = '\0';
  38.   }
  39.   return i;
  40. }
  41.  
  42. #define M 400
  43. int main() {
  44.   char buf[N];
  45.   FILE *fp;
  46.   char *word[M];
  47.  
  48.   fp = fopen("anne_short.txt","r");
  49.   if(fp == NULL){
  50.     printf("File read error!\n");
  51.     exit(1);
  52.   }
  53.   int i;
  54.   for (i = 0; i < M; i++) {
  55.     char *p;
  56.     int n = read_word(fp, buf);
  57.     if (n == 0)
  58.       break;
  59.     if ((p = malloc(n + 1)) == 0) {
  60.       printf("memory full, aborted.\n");
  61.       exit(1);
  62.     }
  63.     strcpy(p, buf);
  64.     word[i] = p;
  65.   }
  66.   word[i] = 0;
  67.   for (i = 0; word[i] != 0; i++)
  68.     printf("%s\n", word[i]);
  69.   printf("i = %d\n", i);
  70.  
  71.   fclose(fp);
  72.   return 0;
  73. }
  74. /* end */
  75.  
Runtime error #stdin #stdout 0s 9424KB
comments (?)
stdin
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Standard input is empty
stdout
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File read error!
https://ideone.com/UvuC2Y
language:
C99 (gcc 8.3)
created:
6 years ago
visibility:
public

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