typedef struct tagMULTIKEYHELP {    /* mkh */
    UINT  mkSize;
    BYTE  mkKeylist;
    BYTE  szKeyphrase[1];
} MULTIKEYHELP;The MULTIKEYHELP structure specifies a keyword table and an associated keyword to be used by the Windows Help application.
mkSize
Specifies the length, in bytes, of the MULTIKEYHELP structure.
mkKeylist
Contains a single character that identifies the keyword table to be searched.
szKeyphrase
Contains a null-terminated text string that specifies the keyword to be located in the keyword table.