I just wanted to check the following calls to make sure that it does not fwrite or write should be xread/xwrite or are guaranteed not to exceed MAX_IO_SIZE: strbuf.c: strbuf_write, strbuf_write_fd, the size is not specified. The other uses of read/write appear to be safe. Thanks, Randall -- Brief whoami: NonStop developer since approximately 211288444200000000 UNIX developer since approximately 421664400 -- In my real life, I talk too much.