#include<stdio.h>
#include<stdlib.h>
#include<string.h>

char ** split(char *starting_string, size_t *length){
	size_t spaces = 0;
	for(char *i = starting_string; *i; i++)
		if(*i == ' ')
			spaces++;

	char **return_value = malloc(sizeof(char*) * (spaces + 1));
	return_value[0] = starting_string;
	size_t word = 1;
	for(char *i = starting_string; *i; i++)
		if(*i == ' '){
			while(*(i+1) == ' '){
				*i = 0;
				i++;
			}
			return_value[word++] = i + 1;
			*i = 0;
		}
	return_value[word] = 0;
	*length = spaces;
	return return_value;
}

void move_right(char *start, int distance){
	size_t length = strlen(start);
	for(size_t i = length + distance; i > distance; i--)
		start[i] = start[i - distance];
}

void move_left(char *start, int distance){
	while(*start){
		*(start - distance) = *start;
		start++;
	}
	*(start - distance) = 0;
}