#include <stdarg.h> #include <stropts.h> #include <sys/syscall.h> #include <unistd.h> int ioctl(int fildes, int request, ...) { va_list args; va_start(args, request); void* extra = va_arg(args, void*); va_end(args); return syscall(SYS_IOCTL, fildes, request, extra); }