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ft_strtrim.c
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ft_strtrim.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strtrim.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: twakrim <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/10/17 19:55:13 by twakrim #+# #+# */
/* Updated: 2018/10/27 01:46:00 by twakrim ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strtrim(char const *s)
{
int i;
int j;
char *str;
unsigned char *p;
p = (unsigned char*)s;
i = 0;
if (s)
{
j = ft_strlen(s) - 1;
while (p[i] == ' ' || p[i] == '\t' || p[i] == '\n')
i++;
while (p[j] == ' ' || p[j] == '\t'
|| p[j] == '\n')
j--;
if (i > j)
return (ft_strdup(""));
str = ft_strsub(s, i, j - i + 1);
return (str);
}
return (NULL);
}