free_buffers       69 http/modules/ngx_http_charset_filter_module.c     ngx_chain_t                *free_buffers;
free_buffers      626 http/modules/ngx_http_charset_filter_module.c                 cl->next = ctx->free_buffers;
free_buffers      627 http/modules/ngx_http_charset_filter_module.c                 ctx->free_buffers = cl;
free_buffers     1128 http/modules/ngx_http_charset_filter_module.c     for (ll = &ctx->free_buffers, cl = ctx->free_buffers;