#include #include #define maybe_unused __attribute__((maybe_unused)) #define unused __attribute__((unused)) extern "C" { noreturn void abort() { exit(-1); } noreturn void exit(int) { __syscall0(SYS_exit); __builtin_unreachable(); } int atexit(void (*)(void)) { return -1; } int atoi(const char*) { return 0; } void free(void*) { return; } char* getenv(const char*) { return 0; } void* malloc(size_t) { return 0; } }