bcm2711_pull_config_set
bcm2711_pull_config_set(pc, pin, arg);
bcm2711_pull_config_set(pc, pin, BCM2711_PULL_NONE);
bcm2711_pull_config_set(pc, pin, BCM2711_PULL_DOWN);
bcm2711_pull_config_set(pc, pin, BCM2711_PULL_UP);