rand man page on Ultrix

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rand(3)								       rand(3)

Name
       rand, srand - random number generator

Syntax
       #include <stdlib.h>

       void srand(seed)
       unsigned seed;

       rand()

Description
       The  newer  should be used in new applications.	The subroutine remains
       for compatibility.

       The subroutine uses a multiplicative congruential random number genera‚Äź
       tor  with  period 232 to return successive pseudo-random numbers in the
       range from 0 to 231-1.

       The generator is reinitialized by calling with 1 as argument.   It  can
       be  set to a random starting point by calling with whatever you like as
       argument.

Environment
       For the System V environment, the subroutine  returns  numbers  in  the
       range from 0 to 215-1.

See Also
       random(3)

								       rand(3)
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