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locale-h.md

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# locale.h
## **Overview**
**Related Modules:**
[IO](IO.md)
**Description:**
Provides functions to set and obtain the locale language environment.
**Since:**
1.0
**Version:**
1.0
## **Summary**
## Data Structures

Data Structure Name	Description
lconv	Indicates format information about a number.

## Macros

Macro Name and Value	Description
LC_CTYPE 0	Language symbol type, which affects character classification and case conversion.
LC_NUMERIC 1	Number type, which affects the number format.
LC_TIME 2	Time type, which affects date and time formats.
LC_COLLATE 3	Character sorting type, which affects string comparison and sorting habits.
LC_MONETARY 4	Monetary type, which affects monetary information.
LC_MESSAGES 5	Message type, which affects prompt information, error information, status information, titles, labels, buttons, and menus.
LC_ALL 6	All types, which affect all content of locale settings. If LC_ALL is set, the locale information of all types is set to be consistent with LC_ALL.

## Functions

Function Name	Description
setlocale (int category, const char *locale)	char * Sets the current locale information based on input parameters.
localeconv (void)	struct lconv * Obtains the locale information about a region and stores them in lconv.

Function Name

Description

setlocale (int category, const char *locale)

char *

Sets the current locale information based on input parameters.

localeconv (void)

struct lconv *

Obtains the locale information about a region and stores them in lconv.