#include <stdio.h> #include <pthread.h> extern int __pthread_mutex_init (void); void __attribute__((constructor)) libtest2_ctor(void) { printf("libtest2: constructor!\n"); } void __attribute__((destructor)) libtest2_dtor(void) { printf("libtest2: destructor!\n"); } void function1(void) { printf("libtest2: I am function1!\n"); } void __attribute__((weak)) function2(void) { printf("libtest2: I am weak function2!\n"); } int libtest2_func(const char *s) { printf( "libtest2: function1 = %p\n" "libtest2: function2 = %p\n", function1, function2); function1(); function2(); return 0; }