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#include <stdlib.h>
#include <stdio.h>
void a(void);
void b(void);
void c(int, void *);
static void newline(void);
void a (void)
{
printf("a");
}
void b (void)
{
printf("b");
}
void c (int code, void *k)
{
char *x = (char *)k;
printf("%d%c",code,x[0]);
}
static void newline (void)
{
printf("\n");
}
int main()
{
if (atexit(newline) != 0)
abort();
if (atexit(a) != 0)
abort();
if (atexit(b) != 0)
abort();
if (on_exit(c,(void *)"c") != 0)
abort();
if (atexit(a) != 0)
abort();
exit(0);
}
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