What are the Include files in C and their functions?

include sets the insertion point.

include character processing.

include defines the error code.

include floating-point processing.

include file input output.

include parameterized input output.

include data stream input output.

include defines maximum-value constants for various data types.

include defines the localization function.

include defines a mathematical function.

include defines the input and output functions.

include defines miscellaneous functions and memory allocation functions.

include string.

include array-based inputs and outputs.

include defines a function about time.

include wide character processing and input and output.

include Wide character classification.

This is a header document, and I personally don't think it's necessary to delve into it. What is a header file?

For example, if you want to test the string length function strlen (character array), you need to add this header file.

The format is include".

include means:

Contains, including:

The usage is as follows: 1. include is a transitive verb, which means "including" and "containing", and can be followed by the gerund as an object, not the infinitive. included is an adjective in the past participle form.

2. After include, the gerund can be used as the object, and the infinitive can not be connected.

3. include has the meaning of "included" and "included".

4. included is an adjective in the form of a past participle, which is often placed after the modified noun or pronoun to indicate "included", and plays the role of supplementary explanation.

The difference between including and includ:

1. include is a verb, and there must be a subject in front of it. Make a predicate in a sentence.

2. including is a preposition, generally used after a comma, or in front of a colon, in short, it is separated by punctuation, but sometimes it can also be placed in a sentence. It can be used as an adverbial or a definite.

The adjectives of include are: inclusive, included; The nouns are: inclusion; The preposition is: touching wax including.

1. inclusive English [ n'klu s v] Mei [ n'klusɪv]

adj.Included, included.

2 included [ n'klu d d] beauty [ n'klʊdɪd]

adj.Inclusive; [plant] within.

v.Include (the past tense and past participle of include.)

3 inclusion [ n'klu (n) 美 [ n'klu n] hall min.

n.Contain; Inclusions.

4 including [ n'klu d ] beauty [ n'klʊdɪŋ]

prep.Contains, including:

The include command is used in two ways in C, and the difference between include <> and include "" is that it is used in different ways.

One is to enclose the header file name after the include directive<> ". This method is used for standard or system-provided header files, and the header file is found in the location where the system standard header file is saved.

The other is to include the header file with double quotation marks "" after the include directive. This approach is often used with the programmer's own header file. In this format, the C compiler first looks for headers with the specified name in the current directory, and then looks up from the standard header file directory.

"include" is not a C keyword, it is a preprocessing command.

include is a computer term that denotes a preprocessing command that contains a C++ standard I/O header file and is used to embed a specified header file in a source file. And not only. H-header file, which can contain any C C++ file that the compiler recognizes, including.

c、.hpp、.cpp、.

hxx、.cxx, etc., even. txt、.

ABC and so on.

There is no include keyword in the C language, it is the file contain command keyword in the preprocessing command. Preprocessing commands are not part of the C language, they are just added functionality for convenience.

In the C language, include is not a keyword, but a preprocessing command.

1.include is a verb that can act as a predicate in a sentence.

For example, the first example sentence of the landlord: the price [subject] for the hotel [(modify the postposition of the subject) definite] includes [predicate] breakfast [object].

2.In addition to being the present participle gerund of include, including is generally used as a preposition in everyday use, and together with the noun pronoun that follows it, it forms a prepositional phrase, which means "to include." in".

Such as the second example sentence of the landlord: there are many different kinds of moon cakes including fruit,coffee and ice

There are 40 students in the classroom, including me

3.Similarly, included also has a prepositional usage, and: including + object = object + included

So the previous example sentence can also be written: there are 40 students in the classroom, me included

include usage, listen to the teacher's explanation, mouth suddenly.

include: include, contain, transitive verb.

include sth.Including something.

Distinguish] include and contain: both"Contains, including: ", however, include means a part of what is contained, and contain refers to all the components of what is contained.

For example, the price includes the postageThe postage is included in the price. (partially).

the parcel contained a dictionary.The package contained a dictionary. (All).

include fixed phrase collocation:

services include ; The service content includes, include path contains path, include action contains action; Packed action.

synonyms: vt contains, includes, involves, contains, comprises.

Root: include

adj: inclusive, including; included; [plant] within.

n:inclusion contains; Inclusions.

v:included includes (the past tense and past participle of include).

You can set the path for the development environment in the vc, in tools->options->directories, you can also set the path for the engineering project, in project->settings->c c++, select the category as preprocessor, and then add additional directories

The common way to do this is to write it in the source fileRepresents a working directory ,..Represents the parent directory of the working directory. For example, if you have a folder in your working directory under include, you can use inlude to include it".\inclue\"

This doesn't belong to the category of C language, and the example sentences are more like English usage.

The include in the first sentence is used as a predicate.

The following of the second sentence is an adverbial.

This is the English amount.

include is a verb.

including is a gerund.

include is a computer term that refers to the include header command in C C++ and is used to embed a specified header file in the source file. The second refers to the include directive, which contains a static file in the jsp and parses the jsp statement in this file. Three-finger PHP statements.