fblocked man page on OpenDarwin

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fblocked(n)		     Tcl Built-In Commands		   fblocked(n)


       fblocked	 -  Test whether the last input operation exhausted all avail‐
       able input

       fblocked channelId

       The fblocked command returns 1 if the most recent  input	 operation  on
       channelId  returned  less information than requested because all avail‐
       able input was exhausted.  For example, if gets is invoked  when	 there
       are  only  three	 characters  available	for  input  and no end-of-line
       sequence, gets returns  an  empty  string  and  a  subsequent  call  to
       fblocked will return 1.

       ChannelId must be an identifier for an open channel such as a Tcl stan‐ │
       dard channel (stdin, stdout, or stderr), the return value from an invo‐ │
       cation  of  open or socket, or the result of a channel creation command │
       provided by a Tcl extension.

       gets(n), open(n), read(n), Tcl_StandardChannels(3)

       blocking, nonblocking

Tcl				      7.5			   fblocked(n)

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