C Standard Library Reference Guide series (3) errno. h

Http://www.acm.uiuc.edu/webmonkeys/book/c_guide/2.3.html.

Author: Eric Huss

Chinese translator: Liu jinhong poechant

Copyright Disclaimer: the original text in this article is copyrighted by Eric Huss, and the Chinese translation is copyrighted by poechant. Reprinted please indicate from "LIU Da's csdn blog": http://blog.csdn.net/poechant

3. errno. h

The error code header file is used as a general error handler.

MACRO:

Edom

Erange

Variables:

Errno

3.1. Edom

Statement:

# Define EdomSome_value

EdomYesby# DefineThe declared macro. It indicates a domain error returned by a mathematical function when an error occurs in the domain of a mathematical function.

3.2. erange

Statement:

# Define erangeSome_value

ErangeYesby# DefineThe declared macro. It indicates a Range Error returned by a mathematical function when the range of values in a mathematical function is incorrect.

3.3. errno

Statement:

Int errno;

VariableErrnoThe initial running value of the program is 0. If an error occurs, the variable is assigned an error code.

This series of translations is being updated continuously

(1) assert. HC standard Library Reference Guide series (2) ctype. HC standard Library Reference Guide series (3) errno. HC standard Library Reference Guide series (4) float. HC standard Library Reference Guide series (5) limits. HC standard Library Reference Guide series (6) locale. HC standard Library Reference Guide series (7) math. HC standard Library Reference Guide series (8) setjmp. HC standard Library Reference Guide series translations (9) signal. HC standard Library Reference Guide series translations (10) stdarg. HC standard Library Reference Guide series (11) stddef. HC standard Library Reference Guide series translations (12) stdio. H ()

Copyright Disclaimer: the original text in this article is copyrighted by Eric Huss, and the Chinese translation is copyrighted by poechant. Reprinted please indicate from "LIU Da's csdn blog": http://blog.csdn.net/poechant

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