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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <ctype.h>
  4.  
  5. char *getNum(FILE *f)
  6.   {
  7.    char* num;
  8.    int count;
  9.    int c;
  10.  
  11.    num=malloc(1);
  12.    count=0;
  13.    while(isdigit(c=fgetc(f)))
  14.      {
  15.       num[count]=c;
  16.       num=realloc(num,++count);
  17.      }
  18.    num[count]=0;
  19.    return num;
  20.   }
  21.  
  22. int main(int argc, char* argv[])
  23.   {
  24.    FILE *in;
  25.    char** n;
  26.    int count;
  27.    int i;
  28.  
  29.   //if (argc!=2) exit(2);
  30.   //in=fopen(argv[1],"r");
  31.   //if (!in) exit(3);
  32.    in=stdin;
  33.  
  34.    n=NULL;
  35.    count=0;
  36.    while(!feof(in))
  37.      {
  38.       n=realloc(n,(count+1)*sizeof(char*));
  39.       n[count++]=getNum(in);
  40.      }
  41.    for(i=0;i<count;++i)
  42.      {
  43.       printf ("%s\n",n[i]);
  44.      }
  45.    free(n);
  46.    return 0;
  47.   }
Success #stdin #stdout 0s 1924KB
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stdin
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stdout
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https://ideone.com/yPQnL6
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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