Clearing compiler warnings #1
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Corrected printf outputs specifiations: * Use %ld instead of %d or %u for (non-unsigned) long int * Explicitly cast size_t to unsigned long for display.
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These commits clear out six different types of compiler warnings I encountered in building the program under OS X (with gcc 4.2.1).
Even without these commits, the program did build and run successfully; these are entirely cosmetic.