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std_funcs.c
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std_funcs.c
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#include <stdio.h>
/**
* _atoi - converts string to integer
*
* @s: string to convert from
*
* Return: integer from conversion
*/
int _atoi(char *s)
{
int sign = 1;
unsigned int total = 0;
char working = 0;
if (!s)
return (0);
while (*s)
{
if (*s == '-')
sign = sign * -1;
if (*s >= '0' && *s <= '9')
{
working = 1;
total = total * 10 + *s - '0';
}
else if (*s < '0' || *s > '9')
{
if (working)
break;
}
s++;
}
if (sign < 0)
total = (-(total));
return (total);
}
/**
* _strlen - gets the length of a null byte terminated string
* @str: string to check length of
*
* Return: length of string
*/
int _strlen(char *str)
{
int len = 0;
while (str[len])
len++;
return (len);
}