ngx_conf_set_keyval_slot  332 core/ngx_conf_file.h char *ngx_conf_set_keyval_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
ngx_conf_set_keyval_slot  407 http/modules/ngx_http_fastcgi_module.c       ngx_conf_set_keyval_slot,
ngx_conf_set_keyval_slot  244 http/modules/ngx_http_proxy_module.c       ngx_conf_set_keyval_slot,
ngx_conf_set_keyval_slot  273 http/modules/ngx_http_scgi_module.c       ngx_conf_set_keyval_slot,
ngx_conf_set_keyval_slot  300 http/modules/ngx_http_uwsgi_module.c       ngx_conf_set_keyval_slot,