ngx_http_variable_nginx_version  124 src/http/ngx_http_variables.c static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r,
ngx_http_variable_nginx_version  316 src/http/ngx_http_variables.c     { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version,