LISTEUR DE FICHIER DOS

#include <stdlib.h>
#include <dos.h>
#include <conio.h>
#include <dir.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

char old_dir[MAXDIR];
char new_dir[MAXDIR];
char curdir[260];
char buffer[80];
char buffer1[80];
char drive[MAXDRIVE];
char dir[MAXDIR];
char file[MAXFILE];
char ext[MAXEXT];
int flags;
unsigned count;
int handle;
struct find_t ffblk;

char *current_directory(char *path){
  strcpy(path, "X:\\");
  path[0] = 'A' + getdisk();
  getcurdir(0, path+3);
  return(path);
}
int SetDirect(char *Path){
	if (getcurdir(0, old_dir))	{
		perror("getcurdir()");
		exit(1);
	}
	printf("Dossier source: \\%s\n", old_dir);
	chdir(Path) ;
	return 0;
}

int ScanFiles(){//on cherche les exécutables
  int a=0x01;
  int done;
  printf("Analyse du dossier: \\%s\n",old_dir);
  done = _dos_findfirst("*.exe",_A_NORMAL|_A_RDONLY|_A_HIDDEN|_A_SYSTEM|_A_ARCH,&ffblk);
  while (!done) {
	  a++ ;
	  sprintf(buffer1,"Trouv‚[%.2d] %s\\%s\n",a,strupr(old_dir), ffblk.name);
	  printf("\r%s",buffer1);
  if (_dos_write(handle, buffer1, strlen(buffer1), &count) != 0)   {
			perror("�chec lors de l'envoi des informations");
	 return 1;
		}
  done = _dos_findnext(&ffblk);
  }
	_dos_close(handle);
	if (a<=0x02){
		printf("il y a eu %d executable",a-1);
	}else{
		printf("il y a eu %d executables",a-1);
	}
 return 0;
}

int main (int argc,char* argv[]){
  current_directory(curdir);
  clrscr();
  printf("%c Papy67\nListeur de fichier \nMode MS-Dos\n\r%s\n\r",184,curdir);
  for (int a=0x00; a<=argc; a++){
  printf("\rArgument [%.2d] %s\n",a,argv[a]);
  }
  flags=fnsplit(argv[1],drive,dir,file,ext);
  sprintf(buffer,"%s %s %s %s",curdir,drive,file,ext);
  SetDirect(buffer);
  ScanFiles();
  return 0;
}