XOpenDisplay

lastmod 2021-01-03created 2021-01-032 edits

connect to X server.

Arguments

display_name

Specifies the hardware display name, which determines the display and communications domain to be used. On a POSIX-conformant system, if NULL, it defaults to the value of the DISPLAY environment variable.

DISPLAY Environment variable

:0

Connect to Display 0.

:0.0

Connect to Screen 0 of Display 0.

See also

• xlib
• XOpenDisplay
• XCloseDisplay

Favorite site

• Xlib Programming Manual: Display: opening (XOpenDisplay)
• XOpenDisplay(3) manual page