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   comp.lang.c      Meh, in C you gotta define EVERYTHING      243,242 messages   

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   Message 242,528 of 243,242   
   John McCue to Michael Sanders   
   Re: srand(0)   
   23 Dec 25 00:39:49   
   
   From: jmclnx@gmail.com.invalid   
      
   Michael Sanders  wrote:   
   > Is it incorrect to use 0 (zero) to seed srand()?   
   >   
   > int seed = (argc >= 2 && strlen(argv[1]) == 9)   
   >            ? atoi(argv[1])   
   >            : (int)(time(NULL) % 900000000 + 100000000);   
   >   
   > srand(seed);   
   >   
      
   I like to just read /dev/urandom when I need a random   
   number.  Seem easier and more portable across Linux &   
   the *BSDs.   
      
   int s;   
   read(fd, &s, sizeof(int));   
      
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