piscine-rush02/ex00/ft_strlib.c

64 lines
1.5 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strlib.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tischmid <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/01 07:13:31 by tischmid #+# #+# */
/* Updated: 2023/04/02 18:38:52 by tischmid ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_strlib.h"
int ft_strcmp(char *s1, char *s2)
{
while (*s1 && *s2 && *s1 == *s2)
{
++s1;
++s2;
}
return (*s1 - *s2);
}
char *ft_strcpy(char *dest, char *src)
{
char *o_dest;
o_dest = dest;
while (*src)
*dest++ = *src++;
*dest = 0;
return (o_dest);
}
int ft_strlen(char *str)
{
int i;
i = 0;
while (*str++)
++i;
return (i);
}
int ft_isspace(char c)
{
return (c == ' '
|| c == '\t'
|| c == '\v'
|| c == '\n'
|| c == '\r'
|| c == '\f');
}
char *last_non_whitespace(char *ptr)
{
while (*ptr)
++ptr;
while (ft_isspace(*ptr))
--ptr;
return (ptr);
}