>>332
#include <stdio.h>
int main()
{
  FILE *fp, *tp;
  char buf[1024];

  fp = fopen("suuchi.csv","r");
  tp = fopen("temp.csv","w");
  while(fgets(buf, sizeof(buf), fp)){
    buf[strlen(buf)-1] = '\0';
    fprintf(tp, "%s,\n", buf);
  }
  fclose(fp);
  fclose(tp);
  rename("temp.csv", "suuchi.csv");
}