freebsd man page for at_quick_exit

AT_QUICK_EXIT(3)					   BSD Library Functions Manual 					  AT_QUICK_EXIT(3)

NAME
     at_quick_exit -- registers a cleanup function to run on quick exit

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <stdlib.h>

     int
     at_quick_exit(void (*func)(void));

DESCRIPTION
     The at_quick_exit() function registers a cleanup function to be called when the program exits as a result of calling quick_exit(3).  The
     cleanup functions are called in the reverse order and will not be called if the program exits by calling exit(3), _Exit(3), or abort(3).

RETURN VALUES
     The at_quick_exit() function returns the value 0 if successful and a non-zero value on failure.

SEE ALSO
     exit(3), quick_exit(3)

STANDARDS
     The at_quick_exit() function conforms to ISO/IEC 9899:2011 (``ISO C11'').

BSD
								 December 7, 2011							       BSD