#include #include #include #include #ifdef __UCLIBC__ extern void _dlinfo(void); #endif int main(int argc, char **argv) { void *h1, *h2; int (*mydltest)(const char *s); char *error; h1 = dlopen ("libtest31.so", RTLD_LAZY); if (!h1) { fprintf(stderr, "Could not open libtest31.so: %s\n", dlerror()); exit(1); } h2 = dlopen ("libtest31.so", RTLD_NOLOAD); if (!h2) { fprintf(stderr, "Could not open libtest31.so(RTLD_NOLOAD): %s\n", dlerror()); exit(1); } mydltest = dlsym(h1, "dltest"); if ((error = dlerror()) != NULL) { fprintf(stderr, "Could not locate symbol 'dltest': %s\n", error); exit(1); } dlclose(h2); dlclose(h1); return EXIT_SUCCESS; }