Trailing-Edge
-
PDP-10 Archives
-
SRI_NIC_PERM_FS_1_19910112
-
c/lib/gen/atexit.c
There is 1 other file named atexit.c in the archive. Click here to see a list.
/*
** ATEXIT.C - "atexit()" - register function for exit invocation
**
** (c) Copyright Ken Harrenstien 1989
*/
#include <stdlib.h>
#define MAX_EXIT_FUNCTS 32 /* ANSI mandates at least this many */
int _n_exit_func = 0; /* # of registered functions */
void (*_exit_func[MAX_EXIT_FUNCTS])(); /* Array of pointers to those functs */
int
atexit(func)
#if __STDC__
void (*func)(void);
#else
void (*func)();
#endif
{
if (!func /* Check arg */
|| _n_exit_func >= MAX_EXIT_FUNCTS) /* and room left in array */
return -1; /* Ugh, fail */
_exit_func[_n_exit_func++] = func; /* Register function! */
return 0; /* Return success */
}