qmk_firmware/users/curry/rgb_matrix_user.h

#pragma once

bool process_record_user_rgb(uint16_t keycode, keyrecord_t *record);
void keyboard_post_init_rgb(void);
void matrix_scan_rgb(void);
void rgb_matrix_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
void rgb_matrix_layer_helper(uint8_t hue, uint8_t sat, uint8_t val, uint8_t mode, uint8_t speed, uint8_t led_type);