ngx_file_mtime    156 core/ngx_open_file_cache.c             of->mtime = ngx_file_mtime(&fi);
ngx_file_mtime    558 core/ngx_open_file_cache.c     of->mtime = ngx_file_mtime(&fi);
ngx_file_mtime    818 http/modules/ngx_http_dav_module.c         cf.time = ngx_file_mtime(&fi);
ngx_file_mtime   1194 http/modules/ngx_http_geo_module.c     mtime = ngx_file_mtime(&fi);
ngx_file_mtime   1207 http/modules/ngx_http_geo_module.c     if (mtime < ngx_file_mtime(&fi)) {