Libft

Standard libc functions:

ft_memset
ft_bzero
ft_memcpy
ft_memccpy
ft_memmove
ft_memchr
ft_memcmp
ft_strlen
ft_strdup
ft_strcpy
ft_strncpy
ft_strcat
ft_strncat
ft_strlcat
ft_strchr
ft_strrchr
ft_strstr
ft_strnstr
ft_strcmp
ft_strncmp
ft_atoi
ft_isalpha
ft_isdigit
ft_isalnum
ft_isascii
ft_isprint
ft_toupper
ft_tolower
ft_printf

Other useful C functions:

	FUNCTION NAME	FUNCTION ACTION
	ft_memalloc	malloc part of a memory and initializet it at 0
	ft_memdel	free allocated memory and put a pointer to NULL
	ft_strnew	malloc a string and fills it with ‘\0’
	ft_strdel	free allocated string memory and put a pointer to NULL
	ft_strclr	put all caracters of the string to ‘\0’
	ft_striter	apply func f to all characters in the string s
	ft_striteri	apply func f to characters in the string s starting from index i
	ft_strmap	appy func s to characters in the newly allocated string
	ft_strmapi	appy func s to characters in the newly allocated string starting from index i
	ft_strequ	lexicographically compare 2 strings
	ft_strnequ	lexigraphically compare 2 string till character n
	ft_strsub	partially copy a string in a newly allocated string
	ft_strjoin	concanate 2 strings and put a result in a newly allocated string
	ft_strtrim	trim all spaces in a string
	ft_strsplit	cut the string s by character c and put it in newly allocated array
	ft_itoa	represent int as string
	ft_putchar	write char c on the standard input
	ft_putstr	write a string on the standard input
	ft_putendl	write a string of the stdin with ‘\n’ in the end
	ft_putnbr	write an int on stdin
	ft_putchar_fd	write char c to a fd
	ft_putstr_fd	write str to a fd
	ft_putendl_fd	write a string with ‘\n’ in the end to a fd
	ft_putnbr_fd	write an int to a fd
	get_next_line	read the content line by line, multiple fd managment
	ft_malloc_error	print line and file of an memory allocation

List manipulation functions:

	FUNCTION NAME	FUNCTION ACTION
	ft_lstnew	allocate new list node
	ft_lstdelone	free list node
	ft_lstdel	free all the nodes
	ft_lstadd	add new node in the beginning of a list
	ft_lstiter	apply func f to each node of a list
	ft_lstmap	apply func f to newly allocated node
	ft_doublelink_add	add new node in the end in doubly linked list
	ft_doublelink_add_head	add new node in the head of doubly linked list
	ft_doublelink_tail	add new node in the tail of doubly linked list
	ft_doublelink_creat	allocate new node in doubly linked list
	ft_doublelink_del	free all nodes in double linked list