#include<stdio.h>
main(argo,argv)
int argc;'char*argv[];
{ FILE*f1,*f2; char ch;
if(argc<______)
{ printf("Parameters missing!\n"):exit(0);}
if(((fl=fopen(argv[1],"r"))==NULL)||((f2=fopen(argv[2],"w"))==NULL))
{printf("Can not open file!\n");exit(0);}
while(______)fputc(fgetc(f1),f2);
fclose(f1); fclose(f2);}