qmk-firmware/keyboards/handwired/daishi/daishi.c

#include "daishi.h"

void matrix_init_kb(void) {	
  // put your keyboard start-up code here
  // runs once when the firmware starts up

  matrix_init_user();
}

void matrix_scan_kb(void) {
  // put your looping keyboard code here
  // runs every cycle (a lot)

  matrix_scan_user();
}

bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
  // put your per-action keyboard code here
  // runs for every action, just before processing by the firmware

  return process_record_user(keycode, record);
}