ngx_http_get_variable 1709 http/modules/ngx_http_ssi_filter_module.c                 vv = ngx_http_get_variable(r, &var, key);
ngx_http_get_variable 2116 http/modules/ngx_http_ssi_filter_module.c         vv = ngx_http_get_variable(r, var, key);
ngx_http_get_variable   52 http/ngx_http_variables.h ngx_http_variable_value_t *ngx_http_get_variable(ngx_http_request_t *r,