ngx_http_regex_variable_t 1727 http/ngx_http_variables.c     ngx_http_regex_variable_t  *rv;
ngx_http_regex_variable_t 1754 http/ngx_http_variables.c     rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t));
ngx_http_regex_variable_t   73 http/ngx_http_variables.h     ngx_http_regex_variable_t    *variables;