> The increase in buf size from 20 to 64 fixes the problem, as Tim > expected. Note that Tru64 (at least V4, unsure about V5) has no native > snprintf implementation. Oops, you're right. It seems that mysnprintf.c doesn't copy any bytes to the buffer when there's an overflow. --Guido van Rossum (home page: http://www.python.org/~guido/)