screen_set_device_property_cv()

Set the value of the specified device property of type char

Synopsis:

#include <screen/screen.h>

int screen_set_device_property_cv(screen_device_t dev,
                                  int pname,
                                  int len,
                                  const char *param)

Arguments:

dev: The handle of the device whose property is to be set.
pname: The name of the property whose value is being set. The properties that you can set are of type Screen property types.
len: The maximum number of bytes that can be read from param.
param: A pointer to a buffer containing the new value(s). This buffer must be an array of type char with a minimum length of len.

Library:

libscreen

Description:

Function Type: Delayed Execution

This function sets the value of a device property from a user-provided buffer.

You can use this function to set the value of the following properties:

Returns:

0 if successful, or -1 if an error occurred (errno is set; refer to errno.h for more details).