enum grep_header_field field;
regex_t regexp;
unsigned fixed:1;
+ unsigned ignore_case:1;
unsigned word_regexp:1;
};
struct grep_pat *pattern_list;
struct grep_pat **pattern_tail;
struct grep_expr *pattern_expression;
+ const char *prefix;
int prefix_length;
regex_t regexp;
int linenum;
int invert;
+ int ignore_case;
int status_only;
int name_only;
int unmatch_name_only;