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feat: add atoi function
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23
ft_atoi.c
Normal file
23
ft_atoi.c
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@@ -0,0 +1,23 @@
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#include "libft.h"
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int ft_atoi(const char *str)
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{
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int value;
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size_t len;
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size_t i;
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int n;
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value = 0;
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len = ft_strlen(str);
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i = 0;
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while (i < len)
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{
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if (!ft_isdigit(str[i]))
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return (value);
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n = (int)(str[i] - '0');
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value *= 10;
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value += n;
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i++;
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}
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return (value);
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}
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