These routines are specific to ncurses. They were not
supported on Version 7, BSD or System V implementations.
It is recommended that any code depending on ncurses ex-
tensions be conditioned using <EM>NCURSES</EM><STRONG>_</STRONG><EM>SP</EM><STRONG>_</STRONG><EM>FUNCS</EM>.
These routines are specific to ncurses. They were not
supported on Version 7, BSD or System V implementations.
It is recommended that any code depending on ncurses ex-
tensions be conditioned using <EM>NCURSES</EM><STRONG>_</STRONG><EM>SP</EM><STRONG>_</STRONG><EM>FUNCS</EM>.