_dos_setfileattr
_dos_setfileattr MSC: unsigned _dos_setfileattr( char *path, unsigned attr ) - prototype in dos.h - path = valid DOS file name - attr = file attribute (logical OR of the following): = _A_ARCH = _A_HIDDEN = _A_NORMAL = _A_RDONLY = _A_SUBDIR = _A_SYSTEM = _A_VOLID - returns 0 on success or DOS error code on failure - see INT 21,43 _dos_getfileattr ()