1 #include "readwrite.h"

     2 #include "buffer.h"

     3 

     4 int buffer_0_read(fd,buf,len) int fd; char *buf; int len;

     5 {

     6   if (buffer_flush(buffer_1) == -1) return -1;

     7   return read(fd,buf,len);

     8 }

     9 

    10 char buffer_0_space[BUFFER_INSIZE];

    11 static buffer it = BUFFER_INIT(buffer_0_read,0,buffer_0_space,sizeof buffer_0_space);

    12 buffer *buffer_0 = ⁢