This function gets a field from a preloaded data record. srcrec points to the buffer in memory that the record has been loaded into, index is the index of the field you want to retrieve, and string and bufsize indicate the buffer and size of the area that will contain the field's contents (in string form) after the call.
Syntax: int DB_GetField(DBBLOCK *dblk, void far *srcrec,int index,
char far *string, int bufsize);
DB_NOFIELD The requested field is deleted or does not exist.