Check input buffer in C

[Amari M. Elammari]

 Is there a UNIX C (sun4 C) function that checks if the input buffer 
 is empty???

What I want to do is to check the buffer, if there are some
characters in the buffer then read them; otherwise continue
with the next statement.


-- 
Amari Elammari.     
Acadia University, Wolfville, N.S., Canada
P.O.BOX 1236 Wolfville, N.S. Canada BOP 1X0
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