RkOpenRoma - open the dictionary to use for Romaji-kana conversion
#include <canna/RK.h>
struct RkRxDic RkOpenRoma(filename)
char *filename;
Romaji-kana conversion is effected by using a Romaji-kana conversion table
created by mkromdic(1). RkOpenRoma opens this Romaji-kana
conversion table. filename names the Romaji-kana conversion table file.
This function returns a pointer to the Romaji-kana conversion table if it has
successfully been opened; otherwise, it returns NULL. This
pointer must be passed to the Romaji-kana conversion functions.
RkCloseRoma(3), mkromdic(1)