摘要： 1. sizeof()和strlen()函数sizeof常见标准用法(1)、(2)、(3) [摘自C++ Reference]：//(1)char buff[6];strncpy(buff, argv[1], sizeof(buff));//(2)int array[] = { 3, 1, 4, 1, 5, 9 };unsigned int array_size = sizeof(array) / sizeof(array[0]);//(3)typedef struct data_type { int age; char name[20];} data;data *bo... 阅读全文