新学的C语言字符串赋值

#define  DIR  "D:\\test\\"

char filePath1[100]={DIR"hello.txt"};

char filePath2[100]={DIR};

char filePath3[100]={"D:\\""test\\""hello.txt"};

filePath1,filePath3,都是

"D:\test\hello.txt"

filePath2是

"D:\test\"