#include <ccan/opt/opt.h> #include <ccan/opt/opt.c> #include <ccan/opt/helpers.c> #include <ccan/opt/parse.c> #include <ccan/opt/usage.c> int main(int argc, char *argv[]) { opt_register_noarg("-v", opt_version_and_exit, (const char *)"1.2.3", (const char *)"Print version"); return 0; }