<title>srand function</title> <head> <script language="JavaScript"> </script> </head> <body bgcolor="#ffffcc"> <hr> <center> <h1>srand function </h1> </center> <hr> <p> <b>srand</b> seeds the random number generation function <a href=rand.html>rand</a> so it does not produce the same sequence of numbers. <pre> Library: stdlib.h Prototype: void srand(unsigned int seed); Syntax: unsigned int seed=10; /* seed value */ srand(); </pre> <hr> <h2>Notes</h2> <ul> <li> Obviously the seed has to change every time the program is run. One way to do this is to feed it the O/P from <a href=time.html>time</a> </ul> <hr> <img src=../../GRAPHICS/computer.gif> <a href=../EXAMPLES/rand.c>example program.</a> <p> <hr> See also: <p> <dt><a href=rand.html>rand</a> Generate a randon number generator. <dt><a href=time.html>time</a> get the calender time (Number of seconds since 1st Jan 1970. <p> <hr> <p> <center> <table border=2 width="80%" bgcolor="ivory"> <tr align=center> <td width="25%"> <a href="../cref.html"> Top</a> </td><td width="25%"> <a href="../master_index.html"> Master Index</a> </td><td width="25%"> <a href="../SYNTAX/keywords.html"> Keywords</a> </td><td width="25%"> <a href="funcref.htm"> Functions</a> </td> </tr> </table> </center> <p> <hr> <address>Martin Leslie </address><p> </body> </html>