GREP_CONTEXT_HEAD 911 grep.c ((p->token == GREP_PATTERN_HEAD) != (ctx == GREP_CONTEXT_HEAD))) GREP_CONTEXT_HEAD 1410 grep.c enum grep_context ctx = GREP_CONTEXT_HEAD; GREP_CONTEXT_HEAD 1496 grep.c if ((ctx == GREP_CONTEXT_HEAD) && (eol == bol))