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iconv_open (3)
  • iconv_open (3) ( Solaris man: Библиотечные вызовы )
  • iconv_open (3) ( Русские man: Библиотечные вызовы )
  • >> iconv_open (3) ( Linux man: Библиотечные вызовы )
  • iconv_open (3) ( POSIX man: Библиотечные вызовы )
  •  

    NAME

    iconv_open - allocate descriptor for character set conversion
     
    

    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. Furthermore the GNU C library and the GNU libiconv library support the following two suffixes:

    //TRANSLIT
    When the string "//TRANSLIT" is appended to tocode, transliteration is activated. This means that when a character cannot be represented in the target character set, it can be approximated through one or several similarly looking characters.
    //IGNORE
    When the string "//IGNORE" is appended to tocode, characters that cannot be represented in the target character set will be silently discarded.

    The resulting conversion descriptor can be used with iconv(3) any number of times. It remains valid until deallocated using iconv_close(3).

    A conversion descriptor contains a conversion state. After creation using iconv_open(), the state is in the initial state. Using iconv(3) 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(3) 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.
     

    VERSIONS

    This function is available in glibc since version 2.1.  

    CONFORMING TO

    UNIX98, POSIX.1-2001.  

    SEE ALSO

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

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    VERSIONS
    CONFORMING TO
    SEE ALSO
    COLOPHON


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