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ft_strjoin.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strjoin.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: nfaust <nfaust@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/11/13 23:34:22 by nfaust #+# #+# */
/* Updated: 2022/11/25 02:37:39 by nfaust ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strjoin(char const *s1, char const *s2)
{
char *s3;
int i;
int j;
if (!s1 && !s2)
return (NULL);
if (!s1)
return ((char *)s2);
if (!s2)
return ((char *)s1);
s3 = malloc((ft_strlen(s1) + ft_strlen(s2)) * sizeof(char) + 1);
if (!s3)
return (NULL);
i = -1;
while (s1[++i])
s3[i] = s1[i];
j = -1;
while (s2[++j])
s3[i++] = s2[j];
s3[i] = 0;
return (s3);
}