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#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
extern int call_me (void);
int
call_me (void)
{
int (*fp) (void);
fp = dlsym (RTLD_DEFAULT, "foo");
if (fp == NULL)
{
printf ("cannot get address of foo in global scope: %s\n", dlerror ());
exit (1);
}
return fp () - 42;
}
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