On Monday 06 February 2012 11:39:57 Flemming Richter Mikkelsen wrote: > Anyway, did you try to make it with -Wall? > Looks like you have some minor things: > > fprintf(stderr, ": ", snd_strerror(snd_err)); > > should be: > fprintf(stderr, ": %s", snd_strerror(snd_err)); It's now fixed and it even prints error messages ;-) Thanks a lot Radek