keyword_info
scan_vars(struct keyword_info *const keywords_info)
remove_redundant_columns(struct keyword_info *const keywords_info)
struct keyword_info *const kwi =
static void scan_vars(struct keyword_info *);
static void remove_redundant_columns(struct keyword_info *);
struct keyword_info *keywords_info;
keywords_info = calloc(known_keywords_nb, sizeof(struct keyword_info));