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CentOS 7.0 - man page for _nc_free_and_exit (centos section 3X)

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curs_memleaks(3X)								curs_memleaks(3X)

       _nc_freeall _nc_free_and_exit - curses memory-leak checking

       #include <curses.h>

       void _nc_freeall(void);
       void _nc_free_and_exit(int);

       These  functions  are  used  to	simplify analysis of memory leaks in the ncurses library.
       They are normally not available; they must be configured into the library  at  build  time
       using  the  --disable-leaks option.  That compiles-in code that frees memory that normally
       would not be freed.

       Any implementation of curses must not free the memory  associated  with	a  screen,  since
       (even  after  calling  endwin),	it must be available for use in the next call to refresh.
       There are also chunks of memory held for performance reasons.  That makes it hard to  ana-
       lyze curses applications for memory leaks.  To work around this, one can build a debugging
       version of the ncurses library which frees those chunks which it can, and  provides  these
       functions to free all of the memory allocated by the ncurses library.

       The  _nc_free_and_exit  function  is  the  preferred one since some of the memory which is
       freed may be required for the application to continue running.  Its parameter is the  code
       to pass to the exit routine.

       These functions do not return a value.

       These functions are not part of the XSI interface.


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