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Diffstat (limited to 'doc/fblocked.n')
| -rw-r--r-- | doc/fblocked.n | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/doc/fblocked.n b/doc/fblocked.n new file mode 100644 index 0000000..3184e47 --- /dev/null +++ b/doc/fblocked.n @@ -0,0 +1,32 @@ +'\" +'\" Copyright (c) 1996 Sun Microsystems, Inc. +'\" +'\" See the file "license.terms" for information on usage and redistribution +'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. +'\" +'\" SCCS: @(#) fblocked.n 1.6 96/02/23 13:46:30 +.so man.macros +.TH fblocked n 7.5 Tcl "Tcl Built-In Commands" +.BS +'\" Note: do not modify the .SH NAME line immediately below! +.SH NAME +fblocked \- Test whether the last input operation exhausted all available input +.SH SYNOPSIS +\fBfblocked \fIchannelId\fR +.BE + +.SH DESCRIPTION +.PP +The \fBfblocked\fR command returns 1 if the most recent input operation +on \fIchannelId\fR returned less information than requested because all +available input was exhausted. +For example, if \fBgets\fR is invoked when there are only three +characters available for input and no end-of-line sequence, \fBgets\fR +returns an empty string and a subsequent call to \fBfblocked\fR will +return 1. +.PP +.SH "SEE ALSO" +gets(n), read(n) + +.SH KEYWORDS +blocking, nonblocking |