RELAY_FILE_READ_SUBB(9)              relay interface support              RELAY_FILE_READ_SUBB(9)



NAME
       relay_file_read_subbuf_avail - return bytes available in sub-buffer

SYNOPSIS
       size_t relay_file_read_subbuf_avail(size_t read_pos, struct rchan_buf * buf);

ARGUMENTS
       read_pos
           file read position

       buf
           relay channel buffer

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   RELAY_FILE_READ_SUBB(9)