elf/reldepmod3.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4
   5 extern int call_me (void);
   6
   7 int
   8 call_me (void)
   9 {
  10   int (*fp) (void);
  11
  12   fp = dlsym (RTLD_DEFAULT, "foo");
  13   if (fp == NULL)
  14     {
  15       printf ("cannot get address of foo in global scope: %s\n", dlerror ());
  16       exit (1);
  17     }
  18
  19   return fp () - 42;
  20 }