it is safe to assume 'predigit' is initialized as zero by the compiler

One should be careful with this assumption, I've seen several C compilers for microcontrollers that don't do this by default, in order to save on instruction memory (which can matter on tiny uC's).

In reply to Re^4: porting C code to Perl by haukex
in thread porting C code to Perl by Discipulus

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