fblocked man page on DigitalUNIX

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

______________________________________________________________________________

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

SYNOPSIS
       fblocked channelId
_________________________________________________________________

DESCRIPTION
       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.

SEE ALSO
       gets(n), read(n)

KEYWORDS
       blocking, nonblocking

Tcl				      7.5			   fblocked(n)
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