#include <dlfcn.h> #include <stdio.h> #include <stdlib.h> #define LIBNAME "libA.so" int main(int argc, char **argv) { void *libA; void (*libAfn)(void); char *error; libA = dlopen(LIBNAME, RTLD_LAZY); if (!libA) { fprintf(stderr, "Could not open ./%s: %s\n", LIBNAME, dlerror()); exit(1); } libAfn = dlsym(libA, "libA_func"); if ((error = dlerror()) != NULL) { fprintf(stderr, "Could not locate symbol 'libA_func': %s\n", error); exit(1); } libAfn(); dlclose(libA); return EXIT_SUCCESS; }