man pages section 2: System Calls
    
D
 
 deliver process signals to specific LWPs
  — _lwp_sigredirect ( Index Term Link )
  — _signotifywait ( Index Term Link )
 
 determine accessibility of a file — access ( Index Term Link )
 
 devices, I/O control functions — ioctl ( Index Term Link )
 
 directories
  change working directory — chdir ( Index Term Link )
  create a new one — mknod ( Index Term Link )
  get configurable pathname variables — pathconf ( Index Term Link )
  make a new one — mkdir ( Index Term Link )
  read directory entries and put in a file system independent format — getdents ( Index Term Link )
  remove — rmdir ( Index Term Link )
 
 discover all message queue identifiers — msgids ( Index Term Link )
 
 discover all shared memory identifiers — shmids ( Index Term Link )
 
 dup — duplicate an open file descriptor ( Index Term Link )