supprimer les balises d'un fichier texte

#include<stdio.h>
#include<string.h>

int main ()
{
  FILE *F, *FW;
  char ch;
  int i;


 if (NULL == (F = fopen ("in.txt", "r")))
	return -1;
  if (NULL == (FW = fopen ("out.txt", "w")))
	return -1;
	do
   { ch = fgetc(F);
	  if (ch == '<')  i = 0;

	  if (ch == '>') i = 1;
	  if (i==1) fprintf(FW,"%c",ch);
   } while (ch != EOF);

  fclose (F);
  fclose (FW);
  system("pause");
  return 0;
}

#include <stdio.h>
#include <string.h>

int main(void)
{
  FILE *f, *fw;
  char ch;
  int i = 1;

  if (NULL == (f = fopen ("in.txt", "r")))
    return -1;
  if (NULL == (fw = fopen ("out.txt", "w")))
    return -1;

  do
  {
    ch = fgetc(f);
    if (ch == EOF)
      break;

    if (ch == '<')
    {
      i = 0;
      continue;
    }
    else if (!i && ch == '>')
    {
      i = 1;
      continue;
    }

    if (i)
      fprintf(fw, "%c", ch);
  } while (ch != EOF);

  fclose(f);
  fclose(fw);

  return 0;
}