PracticeDayTwoExercises10,11

#include <stdio.h>

void StrToInt(char String[])
{
    int flag = 1, number = 0, index = 0;
    if(String[0] == '-'){
        flag = -1;
        index = 1;
    }
     while(String[index] != '\0')
        {
        if(String[index] >= '0' && String[index] <= '9')
        {
            number = number*10 + String[index] - '0';
        }
        else
        {
            break;
        }
        index++;
    }
    if(flag == -1)
    {
        number = -number;
        printf("Integer: %d \n", number);
         if(number < 0){
            printf("This is an integer with a sign!");
         }
    }
    else
    {
         printf("Integer: %d \n", number);
    }
}

int main(){
    char Str[] = "-1984";
    StrToInt(Str);
    getch();
    return 0;
}