If you are interested in coroutines, take a look at GNU Portable Threads http://www.gnu.org/software/pth/ http://www.gnu.org/software/pth/ and this paper: http:

If you are interested in coroutines, take a look at GNU Portable Threads http://www.gnu.org/software/pth/ http://www.gnu.org/software/pth/ and this paper: http://www.gnu.org/software/pth/rse-pmt.ps http://www.gnu.org/software/pth/rse-pmt.ps