233 readsource (struct randread_source *s, unsigned char *p, size_t size)  in readsource()  argument
237       size_t inbytes = fread (p, sizeof *p, size, s->source);  in readsource()
240       size -= inbytes;  in readsource()
241       if (size == 0)  in readsource()
253 readisaac (struct isaac *isaac, void *p, size_t size)  in readisaac()  argument
261       if (size <= inbytes)  in readisaac()
263           memcpy (p, isaac->data.b + ISAAC_BYTES - inbytes, size);  in readisaac()
264           isaac->buffered = inbytes - size;  in readisaac()
270       size -= inbytes;  in readisaac()
277           while (ISAAC_BYTES <= size)  in readisaac()
281               size -= ISAAC_BYTES;  in readisaac()
282               if (size == 0)  in readisaac()
301 randread (struct randread_source *s, void *buf, size_t size)  in randread()  argument
304     readsource (s, buf, size);  in randread()
306     readisaac (&s->buf.isaac, buf, size);  in randread()