MSC: unsigned _dos_creatnew(char *fname,unsigned attr,int *handle)
	MSC: unsigned _dos_creat(char *fname,unsigned attr,int *handle)

	- prototype in dos.h

	- fname = a valid DOS file name
	- attr	= DOS file attribute
		= _A_ARCH
	- handle = pointer to location to receive handle
	- returns 0 on success or DOS error code on failure
	- if file sharing is installed, file is opened in compatibility mode
	- see	INT 21,3C   INT 21,5B