NAME

XConnectionNumber, ConnectionNumber − get connection number or file descriptor. 

Synopsis

int XConnectionNumber(display)

      Display *display;

Arguments

displaySpecifies a connection to an X server; returned from XOpenDisplay(). 

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. 

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