SW500011 Microchip Technology, SW500011 Datasheet - Page 249
SW500011
Manufacturer Part Number
SW500011
Description
HI-TECH X PRO FOR PIC32
Manufacturer
Microchip Technology
Type
Compilerr
Series
PIC32r
Datasheet
1.SW500011.pdf
(440 pages)
Specifications of SW500011
No. Of User Licenses
1
Supported Families
PIC32
Core Architecture
PIC
Supported Hosts
Windows XP, Vista, Linux, Mac OS X
Software Edition
Professional
Kit Contents
Software And Docs
Tool Type
Compiler
Lead Free Status / RoHS Status
Not applicable / Not applicable
For Use With/related Products
PIC32 Series
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
032
778-1007
778-1007
778-1007
778-1007
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Library Functions
SRAND
Synopsis
Description
The srand() function initializes the random number generator accessed by rand() with the given
seed. This provides a mechanism for varying the starting point of the pseudo-random sequence
yielded by rand(). On the Z80, a good place to get a truly random seed is from the refresh register.
Otherwise timing a response from the console will do, or just using the system time.
Example
See Also
rand()
#include <stdlib.h>
void srand (unsigned int seed)
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
void
main (void)
{
}
time_t toc;
int i;
time(&toc);
srand((int)toc);
for(i = 0 ; i != 10 ; i++)
putchar(’\n’);
printf("%d\t", rand());
249
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