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This is probably a really stupid question, but how do I turn on these debug messages in my code?
#ifdef DEBUG_MSG
printf("initial state : %d\n", initial_state);
#endif
Many thanks in advance,
#ifdefmeans ‘If defined’, your code essentially tells the preprocessor to check ifDEBUG_MSGis defined somewhere else. If it is, it will include the code you’ve shown.