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  1. #include<stdio.h>
  2. #include<string.h>
  3. #define zero '0'
  4. #define ten 'A'
  5. #define point '.'
  6. #define blanc ' '
  7.  
  8.   void strcat_c (char *str, char c)
  9.   {
  10.     for (;*str;str++); // note the terminating semicolon here. 
  11.     *str++ = c; 
  12.     *str++ = 0;
  13.   }
  14.  
  15. int main(void){
  16.   int i=1,n=0; char c=' ';
  17.   char *result[100];
  18.  
  19.   while(i!=EOF){
  20. 	result[0]='\0';
  21.  
  22.     while(i!=EOF&&(c<zero||c>ten)){
  23.     	i=getchar(); c=i;
  24.     }
  25.  
  26.     while(i!=EOF&&c>=zero&&c<=ten){
  27.  
  28.     	strcat_c(result,c);  
  29.     	i=getchar(); c=i;
  30.     	n++;
  31.     }
  32.  
  33.      if(i!=EOF){
  34. //    	for (int i = 0; i<n; i++) {
  35.     		printf("%s",result);
  36.  //   	}
  37.     }
  38.  }  //while EOF
  39.    return 0;
  40. } //main
Success #stdin #stdout 0s 4188KB
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Standard output is empty
https://ideone.com/TBHXZh
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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