iconv_close - deallocate code conversion descriptor

Syntax	#include <iconv.h> int iconv_close(iconv_t cd);
Description	iconv_close() deallocates the conversion descriptor cd and all other associated resources allocated by iconv_open().
Return val.	Upon successful completion, 0 is returned. Otherwise, -1 is returned and errno is set to indicate the error.
Errors	iconv_close() will fail if: EBADF       The conversion descriptor is invalid.
See also	iconv(), iconv_open(), iconv.h.