rem: printf ("no file specified\n"); }
add: printf("no file specified\n");
context: main (int argc, char *argv[])	{	char *arg = NULL;	char *first;		if ((argc < 2) || (argc > 4))		{		usage ();		return 0;		}		first = *++argv;		if (strcmp (first, "--help") == 0)		{		usage ();		return 0;		}		if (strcmp (first, "-n") == 0)		{		if (--argc > 1)			{			char *num = *++argv;						if (!isdigit (*num))				printf ("-n option needs a numeric argument\n");			else				{				int b = atoi (num);								if (b < 1)  b = 1;				KBytesPerChunk = b;								if (--argc > 1)					arg = *++argv;				else					printf ("no file specified\n");				}			}		else			printf ("-n option needs a numeric argument\n");		}	else		arg = first;		if (arg)		do_chop (arg);		putchar ('\n');	return 0;	}