defcntl
flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
int flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
defcntl(DC_SETFLAGS, DC_STD & ~DC_CASE); /* ignore case */
flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
if (defcntl(DC_SETFLAGS, (DC_STD & ~(DC_CASE))) == -1) {
extern int defcntl();
flags = defcntl(DC_GETFLAGS, 0);
(void) defcntl(DC_SETFLAGS, flags);
extern int defcntl(int, int);