**在http://www.iphonedevwiki.net/index.php/IOHIDFamily上看到这样一段代码,不知道要怎么才能看到main函数的执行效果。**********getchar printf都是c语言的函数,ios又没有键盘,怎么个getchar法呢,迷惑中。。。@snakeninny
Example#include <IOKit/hid/IOHIDEventSystem.h>
#include <stdio.h>
void handle_event (void* target, void* refcon, IOHIDServiceRef service, IOHIDEventRef event)
{
- // handle the events here.*
printf(“Received event of type %2d from service %p.\n”, IOHIDEventGetType(event), service);
}
int main ()
{ - // Create and open an event system.*
IOHIDEventSystemRef system = IOHIDEventSystemCreate(NULL);
IOHIDEventSystemOpen(system, handle_event, NULL, NULL, NULL);
printf(“HID Event system should now be running. Hit enter to quit any time.\n”);
getchar();
IOHIDEventSystemClose(system, NULL);
CFRelease(system); return 0;
}
**