tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#include <stdio.h>
2#include <unistd.h>
3#include <sys/types.h>
4#include <sys/stat.h>
5#include <fcntl.h>
6#include <stdlib.h>
7
8#define BUF_SIZE 256
9
10int main(int argc, char *argv[])
11{
12 int fd = open("/dev/urandom", O_RDONLY);
13 int i;
14 char buf[BUF_SIZE];
15 int count = 4;
16
17 if (fd < 0)
18 return 1;
19
20 if (argc == 2)
21 count = atoi(argv[1]);
22
23 for (i = 0; i < count; ++i)
24 read(fd, buf, BUF_SIZE);
25
26 close(fd);
27 return 0;
28}