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RKMAPROMA(3)		   Library Functions Manual		  RKMAPROMA(3)

       RkMapRoma - perform Romaji-kana conversion by using a specified Romaji-
       kana conversion table

       #include	_canna/RK.h_
       int RkMapRoma(romaji, dst, maxdst, src, srclen, flags, status)
       struct RkRxDic *romaji;
       unsigned	char *dst;
       int maxdst;
       unsigned	char *src;
       int srclen;
       int flags;
       int *status;

       RkMapRoma performs Romaji-kana conversion by using a specified  Romaji-
       kana  conversion	 table.	 romaji	specifies a pointer to the Romaji-kana
       conversion table	that has been returned	by  RkOpenRoma(3).   RkMapRoma
       interprets the srclen bytes of contiguous data starting at the area src
       as a Romaji character string and	searches through the Romaji-kana  con-
       version	table  for the rule of Romaji-kana conversion that matches the
       beginning of the	Romaji character string.  If the corresponding conver-
       sion  rule  is found, the corresponding kana character string is	stored
       in the area dst.	 The resulting character string	is truncated when  its
       byte  length  exceeds maxdst -1.	 dst is	padded with null characters at
       the end if possible.

       flags is	a combination of the following	Romaji-kana  conversion	 flags
       connected by or:

	      RK_SOKUON	     Enables  gemination,  in  which a sequence	of two
			     occurrences of the	same character,	 xx,  is  con-
			     verted  to	 small kana character "tsu" only if it
			     is	not defined in the Romaji-kana conversion  ta-
			     ble file.

	      RK_FLUSH	     Converts	all  Romaji  characters	 compulsorily.
			     Useful for	handling n appearing at	the end	 of  a
			     character string.

       The  flags  listed  below specify the type of characters	stored in src.
       These specified code conversion to be performed on the character	string
       derived from the	Romaji-kana conversion table.  These flags can use one
       by one.

	      RK_NFER	     No	conversion

	      RK_XFER	     Hiragana

	      RK_HFER	     Single-byte character

	      RK_KFER	     Katakana

	      RK_ZFER	     Double-byte character

       status is set to	the byte length	of the character  string  set  in  the
       area  dst.   A  negative	 value	means that there is no matching	Romaji
       character string.

       This function returns the starting byte length of the Romaji  character
       string matched by Romaji-kana conversion.



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