atexit man page on BSDi

atexit man page on BSDi

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ATEXIT(3)		    BSD Programmer's Manual		     ATEXIT(3)

NAME
     atexit - register a function to be called on exit

SYNOPSIS
     #include <stdlib.h>

     int
     atexit(void (*function)(void));

DESCRIPTION
     The atexit() function registers the given function to be called at pro-
     gram exit, whether via exit(3) or via return from the program's main.
     Functions so registered are called in reverse order; no arguments are
     passed.  At least 32 functions can always be registered, and more are al-
     lowed as long as sufficient memory can be allocated.

RETURN VALUES
     The atexit() function returns the value 0 if successful; otherwise the
     value -1 is returned and the global variable errno is set to indicate the
     error.

ERRORS
     [ENOMEM]  No memory was available to add the function to the list.	 The
	       existing list of functions is unmodified.

SEE ALSO
     exit(3)

STANDARDS
     The atexit() function conforms to ANSI C X3.159-1989 (``ANSI C '').

BSDI BSD/OS			 June 4, 1993				     1

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