Retrieve an extension from the specified mode.
#include <wfdqnx/wfdcfg.h>
const struct wfdcfg_keyval* wfdcfg_mode_get_extension( const struct wfdcfg_timing *mode, const char *key)
A handle to the mode (timing) whose extension(s) you are retrieving
Identifier of extension to retrieve
Pointer to wfdcfg_keyval if the extension was found; NULL if the extension was not found. It's considered acceptable for a list to have no extensions.