include file c

From: http://blog.csdn.net/suwei19870312/article/details/6665305 In some large projects, there may be dozens of basic classes, which are inevitably referenced by each other (not satisfying the inheritance relationship, but composite relationship ).

Source: http://blog.sina.com.cn/s/blog_4ac766c00100qsbd.htmlhttp://blog.csdn.net/txh0001/article/details/7031058As a C + + rookie, in the precompiled header file (#include "stdafx.h") tangled for a long time, today intends to thoroughly understand

The  include (), require () statement contains and runs the specified file. The two structures are exactly the same on the containing file, and the only difference is the handling of the error. The require () statement stops when it encounters a

C ++ File include rule constant definition To sum up, C ++'s function declaration, variable declaration, and class definition are written in the header file, while function implementation, variable definition, and class method implementation are

Tip: cannot open include file: 'stdafx. H': no such file or directory # Include "stdafx. H" before # include, that is, the beginning of the program. To use the precompiled header file, you need to put it at the beginning of the program, otherwise

This article detailed list of C + + contains the header file name and function description, more suitable for beginners to understand, almost every C + + file start to #include, but most people do not pay attention to #include behind what, the

<> First, find the header file in the system directory. If the file is not found in the current directory. So use this method like standard header files stdio. h and stdlib. h. "" Is first searched in the current directory. If it cannot be found,

Fgets (read a string from the file)Related functions: open, fread, fscanf, GETCHeader file include Define the function char * fgets (char * s, int size, file * stream );Function Description: fgets () is used to read characters from the file referred

Include () and require () statements include and run the specified file. The two structures are exactly the same on the contained files, and the only difference is the handling of errors. When the require () Statement encounters an error or the

The include (), require () statement contains and runs the specified file. The two structures are exactly the same on the containing file, and the only difference is the handling of the errors. The require () statement stops when the containing file