复制 cmake_minimum_required(VERSION 3.20.0) project(ODR CXX) set(CMAKE_CXX_STANDARD 20) add_executable(odr one.cpp two.cpp) 正如你所看到的,这是非常直接的——我们创建了一个shared.h头文件,它在两个单独的翻译单元中使用: one.cpp文件,它简单地将i打印到屏幕上 two.cpp文件,它除了包含头文件外...
* does not rely on this. */#define_IOFBF 0/* setvbuf should set fully buffered */#define_IOLBF 1/* setvbuf should set line buffered */#define_IONBF 2/* setvbuf should set unbuffered */#defineBUFSIZ 1024/* size of buffer used by setbuf */#defineEOF (-1)/* must be == _POSIX_...
AI代码解释 staticint __initvivi_create_instance(int inst){struct vivi_dev*dev;struct video_device*vfd;struct v4l2_ctrl_handler*hdl;struct vb2_queue*q;int ret;dev=kzalloc(sizeof(*dev),GFP_KERNEL);if(!dev)return-ENOMEM;snprintf(dev->v4l2_dev.name,sizeof(dev->v4l2_dev.name),"%s-%03d"...
1//添加一个新的 section2rc = ini.SetValue("section1", nullptr, nullptr);3if(rc <0) {4printf("添加section1失败!\n");5return-1;6} 2). 添加一个新的 key和value 1//添加一个新的 key和value2rc = ini.SetValue("section1","name","张三");3if(rc <0) {4printf("添加name失败!\...
{ struct option long_option[] = { {"help", 0, NULL, 'h'}, {"pdevice", 1, NULL, 'P'}, {"cdevice", 1, NULL, 'C'}, {"min", 1, NULL, 'm'}, {"max", 1, NULL, 'M'}, {"frames", 1, NULL, 'F'}, {"format", 1, NULL, 'f'}, {"channels", 1, NULL, 'c'...
*/ if (size < 0) { PyErr_SetString(PyExc_SystemError, "Negative size passed to PyUnicode_New"); return NULL; } if (size > ((PY_SSIZE_T_MAX - struct_size) / char_size - 1)) return PyErr_NoMemory(); /* 来自_PyObject_New()的重复分配代码,而不是对PyObject_New()的调用, 因此...
CWindow::SetScrollPos 更改滚动框的位置。 CWindow::SetScrollRange 更改滚动条范围。 CWindow::SetTimer 创建计时器事件。 CWindow::SetWindowContextHelpId 设置窗口的帮助上下文标识符。 CWindow::SetWindowLong 在额外窗口内存中的指定偏移处设置一个 32 位值。 CWindow::SetWindowLongPtr 更改指定窗口的属性,并在...
本程序中对I/O控制函数的定义是:staticintts_ioctl(structinode*inode,structfile*file,unsignedintcmd,unsignedlongarg);其中,参数cmd有两个值,分别为:TS_PARAMS_GET和TS_PARAMS_SET,它们用来指出是获取参数还是设定参数。用户在调用这个函数的时候,只需要对这个参数按照事先约定的格式赋值,就可以方便地获取或者改变...
typedef struct {…} AStruct** Bus: AStruct typedef enum {..} AnEnum** Enum: AnEnum * If the C Caller takes an integer type, for example, int16_t, you can modify it to a fixed-point type with matching base type, for example to fixdt(1, 16, 3). ** The C Caller sync button...
Constant-values 错误码 C++ DDGI API Overview Class Summary DDGIAPI Struct Summary DDGICamera DDGIDirectionalLight DDGIMaterial DDGIMesh DDGISettings DDGIVertex DDGIVulkanImage DeviceInfo Mat4X4 Vec Enum Value Summary AttachmentTextureType DDGIResult CoordSystem GoodCulling ...