variable argument list

Variable parameter lists can be implemented with macros defined in the Stdarg.h header file, which is part of the standard library. This header file declares a type va_list and three macros----Va_start,va_arg,va_end. You can declare a variable of

This article mainly introduces the function of variable parameter, then analyzes its principle, how the programmer realizes and encapsulates them, and finally it is possible problems and avoid measures.VA functions (variable argument function), the

The best example of variable-length argument lists function is printf () The proper declaration for printf () is Int printf (char * format ,...) Where the declaration... means that the number and types of these arguments may vary. The

1. During the execution of the code, the function definition is encountered, and the initialization function generates a function object that stores the function name, the default parameter value, and the function address.2. Code execution is not in

this series as effective JavaScript 's reading notes. in the Item , the paper introduces a combination of Apply variable argument list function implemented by method Average , it actually declares only an array as a parameter, but uses the Apply

Self is useful for distinguishing between global variables/functions and member variables/functions in objects. For example, it provides a scoping mechanism that I personally think is much clearer than Ruby's @ and @@ 清晰 which may be a habit, but it'

The principle of transfer of function parametersfunction parameters are accessed in memory in the form of stacks, from right to left into the stack.The parameter stores the format in memory:In the process, the stack address is allocated from high to

Difference between parameter and argument reproduced from: http://smilejay.com/2011/11/parameter_argument/ When I write a comment on a function, I am considering whether to use parameter or argument to describe its parameters.According to some

How to use variable argument function C supports the VA function. c ++ supports the VA function as an extension of C. It is not recommended in C ++, the polymorphism introduced by C ++ can also implement functions with variable parameter numbers.

Functions created by create_function Use PHP's built-in function to create_function the created function. Create_function (' $item ', ' return $item; ') Let me ask you something. Why do you create the function parameter list and function body with