elf/reldepmod3.c

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