K 10 svn:author V 7 smpatel K 8 svn:date V 27 1996-08-15T16:33:32.000000Z K 7 svn:log V 241 Fix fdavail() so that correctly pays attention to the rlimit. Fixes unp_externalize panic which occurs when a process is at it's ulimit for file descriptors and tries to receive a file descriptor from another process. Reviewed by: wollman END