find function in c

Programmers who use C/C ++ to develop software often encounter this problem: sometimes there is no problem in program compilation, but the function is always reported when the link is used (the classic LNK 2001 error ), sometimes there are no errors

The principle of implementing the C ++ function overload and why the extern "C" statement must be added when calling a function compiled by C language in C ++ to overload the extern Compared with C, function Overloading is a major feature of C ++, I

This article is about how to invoke C (c + +)-written DLLs in a C # environment. "Reprint marked the source." First, the preferred creation of a C DLL project, production DLL files used for standby, steps are as follows: 1, VS2010 create C + +

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.First point out that the compiler we usually refer to is not just a compiler, but rather a compilation tool chain that includes a precompiled

First point out that the compiler we usually refer to is not just a compiler, but rather a compilation tool chain that includes a precompiled compiler, a compiler, a assembler, and a connector.For external function entities (functions in a source

C ++ starts from scratch (7) -- What is a function? The content earlier than this article is a basic foundation. Theoretically, you only need to write the content mentioned above to write almost any program that only operates on memory, that is,

General statement:All of the string lookup functions described below have a unique return type, which is Size_type, an unsigned integer (calculated as printed). If the lookup succeeds, returns the position of the first character or substring found

C + + in relation to the C language support function overloading is its great feature, I believe that in the use of C language when you want to write a function to implement two integral data to add the functions of adding a floating point data,

This article is reproduced from http://blog.csdn.net/youxin2012/article/details/9162415Application of Find () in string (RFind ()similar, just looking from reverse)The prototypes are as follows: (1) size_t find (const string& str, size_t pos = 0)

Introduction to String class functions in standard C + +Look, it's not CString.The reason to discard char* strings and select the String class in the C + + standard library is because he compares with the former, doesn't have to worry about enough