Linux C dev tips

errno.h strerror (errno) dlfcn.h void *handle; handle = dlopen("libkido.so", RTLD_LAZY); if (!handle) { fprintf(stderr, "%s \n", dlerror()); exit(EXIT_FAILURE); } int (*test)() = dlsym (handle,"test3"); if (!test) { fprintf(stderr, "%s \n", dlerror()); exit(EXIT_FAILURE); } int a; a=(*test)();