On Tue, Apr 03, 2001 at 01:53:26AM -0700, Allen Ashley wrote: > --------------------------------------------------------------- > soval=fcntl(s,F_GETFL,0); > ioval=fcntl(0,F_GETFL,0); > fcntl(s,F_SETFL,soval|O_NONBLOCK); > fcntl(0,F_SETFL,ioval|O_NONBLOCK); > cwait=WAITCONNECT; > *chin=0; > do{ > /*If the following line is commented out the program does not crash*/ > rval=connect(s, (struct sockaddr *)&dst, sizeof(dst)); You haven't mentioned dst before this line, or s. Make a small, complete, minimal test program that shows the bug. Tim. */