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ICONV_OPEN (3) | C library functions | Unix Manual Pages | :man

NAME

iconv_open - allocate descriptor for character set conversion

CONTENTS

Synopsis
Description
Errors

SYNOPSIS



#include <iconv.h>



"iconv_t iconv_open(const char *"tocode", const char *"fromcode);

DESCRIPTION

The iconv_open function allocates a conversion descriptor suitable for converting byte sequences from character encoding fromcode to character encoding tocode.

The values permitted for fromcode and tocode and the supported combinations are system dependent. For the GNU C library, the permitted values are listed by the iconv --list command, and all combinations of the listed values are supported.

The resulting conversion descriptor can be used with iconv any number of times. It remains valid until deallocated using iconv_close.

A conversion descriptor contains a conversion state. After creation using iconv_open, the state is in the initial state. Using iconv modifies the descriptor’s conversion state. (This implies that a conversion descriptor can not be used in multiple threads simultaneously.) To bring the state back to the initial state, use iconv with NULL as inbuf argument.

"RETURN VALUE"

The iconv_open function returns a freshly allocated conversion descriptor. In case of error, it sets errno and returns (iconv_t)(-1).

ERRORS

The following error can occur, among others: -->
EINVAL The conversion from fromcode to tocode is not supported by the implementation.

"CONFORMING TO"

UNIX98

"SEE ALSO"

iconv(3), iconv_close(3), iconv(1)


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