#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char **argv)
{
	char *tochar="-13234";
	int toint=0;
	int negative=0;
	int i;
	int lenght;
	int next;

	if(tochar[0]=='-'){
		negative=1;
	}
	
	lenght=strlen(tochar);
	printf("lenght: %d\n",lenght);
	for(i=lenght-1;i>0;i--){		
	toint=toint+(tochar[i]-'0')*pow(10,(double)(lenght-i-1));
	printf("number:%d\n",toint);
	printf("char:%c\n",tochar[i]);
	}
	if(negative)
		toint=-toint;
	else
		toint=toint+(tochar[0]-'0')*pow(10,lenght-1);
	printf("final: %d\n",toint);
	exit(0);
}