>>703
#include <stdio.h>
#define FILENAME "textfile"
int
main(int argc, char **argv)
{
  FILE *fp;
  char a,b = 1,c;
  if(NULL == (fp = fopen(FILENAME,"r"))){perror(FILENAME); return 1;}
  while(EOF != (c = getc(fp))) if((a = (c != '\n'))||b) {b = a; putchar(c);}
  return 0;
}