text: #include "include/string.h"
  #include <stdint.h>
  
  int strcmp(char * str1, char * str2) {
  	while(1) {
  		if (*str1 != *str2) {
  			return *str1 < *str2 ? -1 : 1;
  		} else if (*str1 == '\0' && *str2 == '\0') {
  			return 0;
  		}
  		str1++;
  		str2++;
  	}
  }
  
  
  int strlen(char * string) {
  	int i = 0;
  	while(*(string + i)) {
  		i++;
  	} 
  	return i;
  } 
  
  int pow(int base,int n){
  	int i , p;
  	p=1;
  	for(i=1;i<=n;++i){
  		p = p*base;
  	}
  	return p;
  }
  
  int to_num(char * s , int dim){
  	int n = 0;
  	for(int i = 0 ; s[i]!='\0';i++){
  		n += pow(10,dim - i - 1)*(s[i]-'0');
  	}
  	return n;
  }
  
  void numberToString(uint64_t number , char * string){
  	int i = 1;
  	while(number > 10){
  		string[i] = (number % 10) + '0';
  		number = number / 10;
  		i++;
  	}
  	string[0] = (number % 10) + '0';
  }
  
  
  
  
  