#include <stdio.h>
/* misc.c - contains everything too small to put into its own source file */
crlf()
{
	static char *cr = "\r\n";
	write(1,cr,2);
}

int do_prog(argc,argv)
char *argv[];
{
	int result;
	if (666 == (result = fexecvp(argv[0],argv)))
	{
		(void)invalid(argc,argv);
		perror("");
		return -1;
	}
	return result; 
}

int drive(argc,argv)
	char *argv[];
{
	char *dir,*getcwd();
	if (argc != 1)
		return -1;
	bdos(0xe,toupper(**argv) - 'A');	/* select drive 0 */
	if (NULL == (dir = getcwd(NULL,64)))
		return -1;
	free(dir);
	return 0;
}



int echo(argc,argv)
	char *argv[];
{
	register int i;
	for (i = 1; i < argc;i++)
	{
		write(2,argv[i],strlen(argv[i]));
		if (i < argc-1)
			write(2," ",1);
	}
	crlf();
	return 0;
}


int
invalid(argc,argv)
	char *argv[];
{
	register int i;
	static char *invmsg = "sh : bad command : ";
	write(2,invmsg,strlen(invmsg));
	for (i = 0; i < argc;i++)
	{
		write(2,argv[i],strlen(argv[i]));
		write(2," ",1);
	}
	return -1;
}

touch(argc,argv)
	char *argv[];
{
	while(--argc)
		utime(*(++argv),NULL);
}