has_il man page on Ultrix

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has_il(3cur)							  has_il(3cur)

Name
       has_il - determine whether insert/delete line is available

Syntax
       #include <cursesX.h>

       bool has_il()

Description
       This  function  will  return  the value if the terminal has insert- and
       delete-line capabilities, or if it can simulate	them  using  scrolling
       regions.	 This function might be used to check if it would be appropri‐
       ate to turn on physical scrolling using the routine.

       The routines and are always available in the library  if	 the  terminal
       does not have the required facilities.

Return Values
       This  function  returns TRUE if the terminal has insert line and delete
       line capabilities, or can simulate them using scrolling regions, other‐
       wise it returns FALSE.

See Also
       deleteln(3cur), insertln(3cur), scrollok(3cur)

								  has_il(3cur)
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