/*
 * This header file provides function prototype declarations
 * for phone-number-related utility functions.
 */

#pragma once

#include <stdint.h>
#include <stdbool.h>

uint16_t digits3_to_uint16(const char *numstr);
uint16_t digits4_to_uint16(const char *numstr);

bool is_nanp_valid_prefix(const char *numstr);

int grok_number_string(const char *str, bool allow_hyphen);
void dehyphen_number_string(const char *src, char *dest);