#define Set_Osd_Rect_Screen_Show(enable) set_osd_rect_screen_show(enable)
#define Get_Osd_Rect_Screen_Show() get_osd_rect_screen_show()
编译错误:
warning: implicit declaration of function 'get_osd_rect_screen_show' [-Wimplicit-function-declaration]
#define Set_Osd_Rect_Screen_Show(enable) set_osd_rect_screen_show(enable)
#define Get_Osd_Rect_Screen_Show() get_osd_rect_screen_show()
编译错误:
warning: implicit declaration of function 'get_osd_rect_screen_show' [-Wimplicit-function-declaration]
在使用 get_osd_rect_screen_show() 函数之前,需要先声明其原型。
假设get_osd_rect_screen_show无函数值,那么正确的代码顺序如下:
void get_osd_rect_screen_show(); //函数声明
#define Get_Osd_Rect_Screen_Show() get_osd_rect_screen_show()
void get_osd_rect_screen_show()
{
//函数定义代码
}
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