c - Read .CSV file and store it in another file -


have made program reads .csv file , stores highest number in file. problem program can't read comma separated numbers 1,5,6,7,1,2. here loop need change 

int i; int max = 0; int min = 0; while (!feof(fp)) {     fscanf( fp, "%d", &i);     if (i < min)     min = i;     if (i > max)     max = i; }

and print out:

    fprintf(q,"%d",max);     printf("maximum value %d \n", max);     fclose(q);     fclose(fp); 

#include <stdio.h> #include <limits.h>  int main(void){     file *fp = fopen("input.csv", "r");     file *q  = fopen("max.txt" , "w");      int i;     int max = int_min;     int min = int_max;      while(1){         int state = fscanf(fp, "%d", &i);         if(state == 1){             if (i < min)                 min = i;             if (i > max)                 max = i;         } else if(state == eof){             break;         } else {             char ch;             fscanf(fp, " %c", &ch);             if(ch != ','){                 fprintf(stderr, "\nformat error\n");                 break;             }         }     }      fprintf(q, "%d", max);     printf("maximum value %d\n", max);     fclose(q);     fclose(fp);      return 0; }

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