how to take union of two arrays in c

Examples of C ++ consortium union usage This example describes how to use the C ++ consortium union. Share it with you for your reference. The details are as follows: We should use union according to convention in C. This is my point of view in this

Union is not much seen in C/C ++. However, in some areas where memory requirements are particularly strict, union is frequently used, so what exactly is Union, how to use it, and what should we pay attention? I have tried some simple answers to

1. Huge role of struct In the face of a person's large C/C ++ program, we can evaluate the programming experience of the author simply by looking at the usage of struct. Because a large C/C ++ program is requiredIt involves some (or even a large

Combined arrays are previously called PLSQL tables. Union arrays cannot be used in tables. They can only be used as structures for programming. Union Arrays can only be accessed in PLSQL A union array is previously called a PL/SQL table. Union

Recently read the "Linux C programming Encyclopedia" this book, although there are some mistakes in the book, but overall, the writing is still good.When I see the network Programming "section 23.2.4 to obtain host information", encountered a piece

Structural bodyIn Java, we want to indicate that a composite data type will be encapsulated using objects. and C has a structure.A struct is a custom data type in C that is a set of variables, different from arrays, and arrays are limited to the

A major advantage of C language is its control of memory space. Of course, under the pressure of object-oriented languages, programmers prefer easy languages and do not like their own memory space. However, the C language still has a strong vitality,

Http://blog.csdn.net/hguisu/article/details/7376705 As mentioned in the previous PHP efficient writing, do not copy variables, especially arrays, whenever possible. In general, the memory usage of PHP arrays is only 1/10. That is to say, an array of

0 Introduction 1, Course Syllabus 2, Part two lesson six: Creating your own Variable Type 3, part two, seventh trailer: Document Reading and writing course outline our courses are divided into four parts, each of which will have exercises at the end

Array pointers (also called row pointers)define INT (*p) [n];() high priority, the first explanation is that p is a pointer to an integer one-dimensional array, the length of the one-dimensional array is n, it can be said that the step of P. In