On Thu, 15 Oct 1998, Martin Alonso Soto wrote: masoto>to find anything wrong in the code. However, at a given time I added masoto>some printf statements to the code (to print certain values the masoto>debugger was not getting right) and the problem disappeared (!!!!!). This is characteristic of reading and writing outside of array bounds. (as determined by malloc) John Lapeyre <lapeyre@physics.arizona.edu> Tucson,AZ http://www.physics.arizona.edu/~lapeyre