sw_major_digit    653 http/ngx_http_parse.c             state = sw_major_digit;
sw_major_digit    657 http/ngx_http_parse.c         case sw_major_digit:
sw_major_digit   1406 http/ngx_http_parse.c             state = sw_major_digit;
sw_major_digit   1410 http/ngx_http_parse.c         case sw_major_digit: