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1.1 ! root 1: .\" Copyright (c) 1990 The Regents of the University of California. ! 2: .\" All rights reserved. ! 3: .\" ! 4: .\" Redistribution and use in source and binary forms are permitted ! 5: .\" provided that: (1) source distributions retain this entire copyright ! 6: .\" notice and comment, and (2) distributions including binaries display ! 7: .\" the following acknowledgement: ``This product includes software ! 8: .\" developed by the University of California, Berkeley and its contributors'' ! 9: .\" in the documentation or other materials provided with the distribution ! 10: .\" and in all advertising materials mentioning features or use of this ! 11: .\" software. Neither the name of the University nor the names of its ! 12: .\" contributors may be used to endorse or promote products derived ! 13: .\" from this software without specific prior written permission. ! 14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR ! 15: .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED ! 16: .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 17: .\" ! 18: .\" @(#)rand.3 6.5 (Berkeley) 5/15/90 ! 19: .\" ! 20: .TH RAND 3 "May 15, 1990" ! 21: .AT 3 ! 22: .SH NAME ! 23: rand, srand \- bad random number generator ! 24: .SH SYNOPSIS ! 25: .nf ! 26: .ft B ! 27: void ! 28: srand(seed) ! 29: unsigned int seed; ! 30: ! 31: rand() ! 32: .fi ! 33: .SH DESCRIPTION ! 34: .ft B ! 35: These interfaces are obsoleted by random(3). ! 36: .ft R ! 37: .PP ! 38: The ! 39: .I rand ! 40: function computes a sequence of pseudo-random integers in the range ! 41: of 0 to ! 42: .I RAND_MAX ! 43: (as defined by the header file <stdlib.h>). ! 44: .PP ! 45: The ! 46: .I srand ! 47: function sets its argument as the seed for a new sequence of ! 48: pseudo-random numbers to be returned by ! 49: .IR rand . ! 50: These sequences are repeatable by calling ! 51: .I srand ! 52: with the same seed value. ! 53: .PP ! 54: If no seed value is provided, the functions are automatically ! 55: seeded with a value of 1. ! 56: .SH STANDARDS ! 57: .B Rand ! 58: and ! 59: .B srand ! 60: conform to ANSI X3.159-1989 (``ANSI C''). ! 61: .SH "SEE ALSO" ! 62: random(3)
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