42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strcmp.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: rparodi <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/07 16:56:56 by rparodi #+# #+# */
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/* Updated: 2025/09/01 17:50:06 by rparodi ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include <unistd.h>
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/**
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* @brief Compares two strings lexicographically.
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*
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* @param s1 The first string to compare.
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* @param s2 The second string to compare.
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*
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* @return An integer indicating the relationship between the two strings:
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* - `< 0` if `s1` is less than `s2`.
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* - `0` if `s1` equals `s2`.
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* - `> 0` if `s1` is greater than `s2`.
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*/
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int ft_strcmp(const char *s1, const char *s2)
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{
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size_t i;
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int diff;
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i = 0;
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while ((s1[i] || s2[i]))
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{
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if (s1[i] != s2[i])
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{
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diff = (unsigned char)s1[i] - (unsigned char)s2[i];
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return (diff);
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}
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i++;
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}
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return (0);
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}
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