1 #include <dlfcn.h> 2 #include <stdlib.h> 3 #include <stdio.h> 4 5 #include "testobj.h" 6 7 int obj2func1(int a)8obj2func1 (int a __attribute__ ((unused))) 9 { 10 return 43; 11 } 12 13 int obj2func2(int a)14obj2func2 (int a) 15 { 16 return obj1func1 (a) + 10; 17 } 18 19 int preload(int a)20preload (int a) 21 { 22 int (*fp) (int) = dlsym (RTLD_NEXT, "preload"); 23 if (fp != NULL) 24 return fp (a) + 10; 25 return 10; 26 } 27 28 void p(void)29p (void) 30 { 31 puts ("hello world"); 32 } 33