ft_atoi.c File Reference

Go to the source code of this file.

Functions
int	ft_atoi (char *str)

Function Documentation

ft_atoi()

int ft_atoi

(

char *

str

)

Definition at line 20 of file ft_atoi.c.

{
    int sign;
    int num;
    int i;
 
    sign = 1;
    num = 0;
    i = 0;
    while (str[i] == ' ' || (str[i] >= '\t' && str[i] <= '\r'))
        i++;
    if (str[i] == '-' || str[i] == '+')
    {
        if (str[i] == '-')
        {
            sign = -1;
        }
        i++;
    }
    while (str[i] >= '0' && str[i] <= '9')
    {
        num = num * 10 + (str[i] - '0');
        i++;
    }
    return (sign * num);
}