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> #ifndef NO_RAND_SCREEN
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> #else  /* ifndef NO_RAND_SCREEN ... else */
> #include <process.h>
> #include <time.h>
> int RAND_poll(void)
> {
> 	unsigned long l;
> 	int curr_pid = _getpid();
> #ifdef DEVRANDOM
> 	FILE *fh;
> #endif
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> #ifdef DEVRANDOM
> 	/* Use a random entropy pool device. Linux, FreeBSD and OpenBSD
> 	 * have this. Use /dev/urandom if you can as /dev/random may block
> 	 * if it runs out of random entries.  */
> 
> 	if ((fh = fopen(DEVRANDOM, "r")) != NULL)
> 		{
> 		unsigned char tmpbuf[ENTROPY_NEEDED];
> 		int n;
> 	
> 		setvbuf(fh, NULL, _IONBF, 0);
> 		n=fread((unsigned char *)tmpbuf,1,ENTROPY_NEEDED,fh);
> 		fclose(fh);
> 		RAND_add(tmpbuf,sizeof tmpbuf,n);
> 		memset(tmpbuf,0,n);
> 		}
> #endif
> 
> 	/* put in some default random data, we need more than just this */
> 	l=(long)curr_pid;
> 	RAND_add(&l,sizeof(l),0);
> 	l=(long)time(NULL);
> 	RAND_add(&l,sizeof(l),0);
> 	l=(long)clock();
> 	RAND_add(&l,sizeof(l),0);
> 
> #ifdef DEVRANDOM
> 	return 1;
> #endif
> 	return 0;
> }
> 
> 
> #endif /* NO_RAND_SCREEN */
>