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408 B

#include <stdio.h>
#include "quantum.h"
char host_led_state_str[22];
const char *read_host_led_state(void) {
led_t led_state = host_keyboard_led_state();
snprintf(host_led_state_str, sizeof(host_led_state_str), "Lock: %s%s%s",
led_state.caps_lock ? "CAPL " : "",
led_state.scroll_lock ? "SCRL " : "",
led_state.num_lock ? "NUML" : "");
return host_led_state_str;
}