ngx_event_pipe_add_free_buf  662 event/ngx_event_pipe.c                 if (ngx_event_pipe_add_free_buf(p, cl->buf->shadow) != NGX_OK) {
ngx_event_pipe_add_free_buf  981 event/ngx_event_pipe.c                 if (ngx_event_pipe_add_free_buf(p, cl->buf->shadow) != NGX_OK) {
ngx_event_pipe_add_free_buf   91 event/ngx_event_pipe.h ngx_int_t ngx_event_pipe_add_free_buf(ngx_event_pipe_t *p, ngx_buf_t *b);
ngx_event_pipe_add_free_buf 1788 http/modules/ngx_http_fastcgi_module.c     if (ngx_event_pipe_add_free_buf(p, buf) != NGX_OK) {