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ft_strdup.c
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ft_strdup.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strdup.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dmlasko <dmlasko@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/12 18:25:39 by dmlasko #+# #+# */
/* Updated: 2024/07/12 18:39:26 by dmlasko ### ########.fr */
/* */
/* ************************************************************************** */
// The strdup() function allocates sufficient memory
// for a copy of the string s1, does the copy,
// and returns a pointer to it. The pointer may
// subsequently be used as an argument to
// the function free(3).
#include "libft.h"
char *ft_strdup(const char *s1)
{
char *s2;
char *ptr;
s2 = malloc(sizeof(char) * (ft_strlen(s1) +1));
if (!s2)
return (NULL);
ptr = s2;
while (*s1)
*ptr++ = *s1++;
*ptr = '\0';
return (s2);
}
//#include <stdio.h>
// int main(void)
// {
// char str[] = "Test_string";
// printf("%s\n", str);
// char *str2 = ft_strdup(str);
// printf("%s\n", str2);
// }