ref: 162ce8d8bbdef0f34ac7f579065f1ea8409218b5
dir: /libsec/prng.c/
#include "os.h"
#include <mp.h>
#include <libsec.h>
//
//  just use the libc prng to fill a buffer
//
void
prng(uchar *p, int n)
{
	uchar *e;
	for(e = p+n; p < e; p++)
		*p = rand();
}