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‎Makefile

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# **************************************************************************** #
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# #
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# ::: :::::::: #
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# Makefile :+: :+: :+: #
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# +:+ +:+ +:+ #
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# By: ibeliaie <[email protected]> +#+ +:+ +#+ #
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# +#+#+#+#+#+ +#+ #
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# Created: 2023/05/19 15:16:37 by ibeliaie #+# #+# #
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# Updated: 2023/05/22 17:28:49 by ibeliaie ### ########.fr #
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# #
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# **************************************************************************** #
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NAME = libft.a
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SRC = ft_atoi.c \
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ft_itoa.c \
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ft_split.c \
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ft_bzero.c \
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ft_calloc.c \
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ft_memset.c \
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ft_memchr.c \
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ft_memcpy.c \
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ft_memcmp.c \
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ft_strdup.c \
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ft_strchr.c \
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ft_strlen.c \
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ft_substr.c \
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ft_isalpha.c \
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ft_isdigit.c \
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ft_isalnum.c \
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ft_isascii.c \
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ft_isprint.c \
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ft_tolower.c \
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ft_toupper.c \
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ft_memmove.c \
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ft_strrchr.c \
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ft_strnstr.c \
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ft_strncmp.c \
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ft_strlcat.c \
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ft_strlcpy.c \
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ft_strjoin.c \
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ft_strtrim.c \
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ft_strmapi.c \
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ft_striteri.c \
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ft_putnbr_fd.c \
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ft_putstr_fd.c \
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ft_putchar_fd.c \
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ft_putendl_fd.c
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OBJ = $(SRC:.c=.o)
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BONUS = ft_lstmap.c \
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ft_lstnew.c \
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ft_lstiter.c \
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ft_lstsize.c \
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ft_lstlast.c \
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ft_lstclear.c \
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ft_lstdelone.c \
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ft_lstadd_back.c \
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ft_lstadd_front.c
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BONUS_OBJ =$(BONUS:.c=.o)
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CC = gcc
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FLAGS = -Wall -Wextra -Werror
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RM = rm -rf
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all: $(NAME)
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$(NAME): $(OBJ)
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ar -rsc $(NAME) $(OBJ)
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bonus: $(OBJ) $(BONUS_OBJ)
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ar -rsc $(NAME) $(OBJ) $(BONUS_OBJ)
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clean:
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$(RM) $(OBJ) $(BONUS_OBJ)
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fclean: clean
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$(RM) $(NAME)
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re: fclean all
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.PHONY: all clean fclean re bonus

‎ft_atoi.c

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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_atoi.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ibeliaie <[email protected]> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/05/17 12:03:01 by ibeliaie #+# #+# */
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/* Updated: 2023/05/23 12:40:16 by ibeliaie ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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/* convert str representation of int to int value */
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int ft_atoi(const char *str)
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{
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int i;
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int sign;
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int result;
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sign = 1;
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i = 0;
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result = 0;
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while (*str == 32 || (*str >= 9 && *str <= 13))
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str++;
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if (*str == '-')
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sign *= -1;
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while (*str == '-' || *str == '+')
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{
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str++;
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i++;
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}
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while (*str >= '0' && *str <= '9')
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{
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result = result * 10 + *str - '0';
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str++;
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}
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if (i > 1)
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return (0);
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return (result * sign);
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}
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// int main()
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// {
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// const char *str = "-42";
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// int result = ft_atoi(str);
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// printf("Result: %d\n", result);
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// return (0);
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// }
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// if current result is 23 and current digit is '5' :
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// 1. result * 10 : 23 * 10 = 230 (make room for next digit)
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// 2. + *str : 230 + '5' = 230 + 5 = 235 (add current digit character to result)
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// 3. - '0' : 235 - 48 = 235 (subtract ascii value of '0' to convert character
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// to digit of it's corresponding numeric value)

‎ft_bzero.c

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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_bzero.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ibeliaie <[email protected]> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/05/16 14:44:01 by ibeliaie #+# #+# */
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/* Updated: 2023/05/23 12:47:35 by ibeliaie ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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/* set a block of memory to zero */
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void ft_bzero(void *s, size_t len)
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{
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size_t i;
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unsigned char *ptr;
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i = 0;
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ptr = (unsigned char *)s;
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while (i < len)
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{
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ptr[i] = 0;
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i++;
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}
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}
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// int main()
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// {
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// char str[10] = "bonjour";
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// printf("Before: %s\n", str);
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// ft_bzero(str, strlen(str));
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// printf("After: %s\n", str);
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// return (0);
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// }

‎ft_calloc.c

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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_calloc.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ibeliaie <[email protected]> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/05/17 12:41:58 by ibeliaie #+# #+# */
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/* Updated: 2023/05/20 11:40:55 by ibeliaie ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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/* allocate and zero-initialize block of memory */
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void *ft_calloc(size_t count, size_t size)
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{
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void *ptr;
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size_t total_size;
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total_size = count * size;
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ptr = malloc(total_size);
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if (!ptr)
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return (NULL);
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return (ft_memset (ptr, 0, total_size));
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}

‎ft_isalnum.c

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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_isalnum.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ibeliaie <[email protected]> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/05/15 17:49:25 by ibeliaie #+# #+# */
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/* Updated: 2023/05/20 18:39:36 by ibeliaie ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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/* check if character is alphanumeric */
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int ft_isalnum(int c)
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{
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if (ft_isdigit(c) || ft_isalpha(c))
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return (c);
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return (0);
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}

‎ft_isalpha.c

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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_isalpha.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ibeliaie <[email protected]> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/05/15 17:42:51 by ibeliaie #+# #+# */
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/* Updated: 2023/05/18 17:21:29 by ibeliaie ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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/* check if character is alphabetic */
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int ft_isalpha(int c)
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{
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return ((c >= 65 && c <= 90) || (c >= 97 && c <= 122));
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}

‎ft_isascii.c

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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_isascii.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ibeliaie <[email protected]> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/05/15 18:02:16 by ibeliaie #+# #+# */
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/* Updated: 2023/05/18 17:21:32 by ibeliaie ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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/* check if character is ascii */
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int ft_isascii(int c)
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{
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return (c >= 0 && c < 128);
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}

‎ft_isdigit.c

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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_isdigit.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ibeliaie <[email protected]> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/05/15 17:46:01 by ibeliaie #+# #+# */
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/* Updated: 2023/05/18 17:21:34 by ibeliaie ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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/* check if character is decimal digit */
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int ft_isdigit(int c)
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{
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return (c >= 48 && c <= 57);
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}

‎ft_isprint.c

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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_isprint.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ibeliaie <[email protected]> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/05/15 18:03:12 by ibeliaie #+# #+# */
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/* Updated: 2023/05/18 17:21:38 by ibeliaie ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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/* check if character is printable */
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int ft_isprint(int c)
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{
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if (c >= 32 && c <= 126)
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return (c);
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else
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return (0);
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}

‎ft_itoa.c

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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_itoa.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ibeliaie <[email protected]> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/05/19 13:25:28 by ibeliaie #+# #+# */
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/* Updated: 2023/05/23 13:09:39 by ibeliaie ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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/* number of digits in int */
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static int count(int n)
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{
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int i;
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i = 0;
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if (n <= 0)
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i++;
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while (n != 0)
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{
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n /= 10;
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i++;
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}
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return (i);
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}
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/* convert int to str */
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static char *convert(int len, int p, char *ptr, int n)
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{
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while (len + 1 > p)
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{
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if (n < 0)
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ptr[len] = n % 10 * (-1) + '0';
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else
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ptr[len] = n % 10 + '0';
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n /= 10;
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len--;
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}
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return (ptr);
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}
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/* convert integer to string */
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char *ft_itoa(int n)
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{
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char *ptr;
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int len;
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int position;
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len = 0;
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len = count(n);
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ptr = (char *) malloc (len + 1);
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if (!ptr)
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return (NULL);
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position = 0;
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if (n < 0)
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{
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ptr[0] = '-';
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position = 1;
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}
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ptr[len] = '\0';
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len--;
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return (convert(len, position, ptr, n));
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}

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