XConnectionNumber() XConnectionNumber() Name XConnectionNumber, ConnectionNumber – get connection number or file descriptor. Synopsis int XConnectionNumber(display) Display *display; Arguments display Specifies a connection to an X server; returned from XOpenDisplay(). Returns The connection number. Description XConnectionNumber() returns the connection number for the specified display. On a POSIX-conformant system, this is the file descriptor of the connection. The C language macro ConnectionNumber() is equivalent and slightly more efficient. Xlib - Macro Equivalents XConnectionNumber()[top]
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