C-Library

FUNCTION	DESCRIPTION
MEMORY
ft_memset	writes c values len bytes (converted to unsigned char) to the string b
ft_bzero	writes n zeroed bytes to the string s, if n = 0 function does nothing
ft_memcpy	copies n bytes from source memory to destination memory.
ft_memccpy	copies n bytes from source memory to destination memory and stops if/when char c occurs in source.
ft_memmove	copies len bytes from source memory to destination memory.
ft_memchr	locates the first occurrence of char c in string.
ft_memcmp	compares byte string 1 against byte string 2, both assumed to be n bytes long.
ft_memalloc	allocates and returns “fresh” memory area, thats initialized to 0.
ft_memdel	takes as parameter the address of a memory area that needs to be freed, then puts the pointer to NULL.
STRINGS
ft_strlen	computes the length of the string s.
ft_strdup	allocates sufficient memory for copy of s1, does the copy and returns a pointer to it.
ft_strcpy	copy the string source to destination, including terminating ‘\0’ char.
ft_strncpy	copy at most length characters from source to destination. If source is longer than length rest is filled with ‘\0’.
ft_strcat	append a copy of null-terminated string 2 to the end of null-terminating string 1, then add terminating ‘\0’.
ft_strncat	appends not more than n characters from string 2 to end of string 1, then adds terminating ‘\0’.
ft_strlcat	appends string source to the end of string destination.
ft_strchr	locates the first occurrence of c (converted to char) in the string pointed to by s.
ft_strrchr	function is identical to ft_strchr except it locates the last occurrence of c.
ft_strstr	locates the first occurrence of the string needle (to be searched) in the string haystack (to be scanned).
ft_strnstr	the same as ft_strstr, where not more than len characters are searched.
ft_strcmp	lexicographically compare the null-terminated strings 1 and 2.
ft_strncmp	compares not more than n characters.
ft_atoi	converts initial portion of the string to int.
ft_isalpha	tests for any character for which upper or lower is alphabetical character.
ft_isdigit	testes for a decimal digit character.
ft_isalnum	tests for any character which is either alphabetical char or digit.
ft_isascii	tests for an ASCII character, any char between 0 and 127 inclusive.
ft_isprint	tests for any printing character, including space.
ft_toupper	converts a lower-case letter to the corresponding upper-case letter.
ft_tolower	convert a upper-case letter to the corresponding lower-case letter.
ft_strnew	allocates and returns a “fresh” string ending with ‘\0’.
ft_strdel	takes as a parameter the address of a string that need to be freed, then sets its pointer to NULL.
ft_strclr	sets every character to the string to be ‘\0’.
ft_striter	applies function f to each character to the string passed as an argument.
ft_striteri	the same as ft_striteri and passing its index as first argument.
ft_strmap	applies function f to each character of the string given as argument creating a “fresh” new string.
ft_strmapi	the same as ft_strmap, by giving its index as first argument.
ft_strequ	lexicographical comparison between s1 and s2. If strings are identical returns 1, otherwise 0.
ft_strnequ	the same as ft_strequ up to n characters or until a ‘\0’ is reached.
ft_strsub	allocates and returns a “fresh” substring from str given as argument. Substring begins at indexstart and is a size of len.
ft_strjoin	allocates and returns a “fresh” string ending with ‘\0’, result of concenatation of s1 and s2.
ft_strtrim	allocates and returns a copy of the string given as argument without whitespaces at the beginning or at the end of str.
ft_strsplit	allocates and returns an array of “fresh” strings obtained by splitting s using the char c as delimiter.
ft_itoa	allocates and returns a “fresh” string representing the integer n given as argument.
OUTPUT
ft_putchar	outputs the character c to standard output.
ft_putstr	outputs the string s to standard output.
ft_putendl	outputs the string s to the standard output followed by a new line.
ft_putnbr	outputs the integer n to the standard output.
ft_putchar_fd	outputs the char c to the file descriptor fd.
ft_putstr_fd	outputs string s to the file descriptor fd.
ft_putendl_fd	outputs string s to the file descriptor fd followed by a new line.
ft_putnbr_fd	outputs the integer n to the file descriptor fd.
LISTS
ft_lstnew	Allocates (with malloc(3)) and returns a “fresh” link. The variables content and content_size of the new link are initialized by copy of the parameters of the function. If the parameter content is null, the variable content is initialized to NULL and the variable content_size is initialized to 0 even if the parameter content_size isn’t. The variable next is initialized to NULL. If the allocation fails, the function returns NULL.
ft_lstdelone	Takes as a parameter a link’s pointer address and frees the memory of the link’s content using the function del given as a parameter, then frees the link’s memory using free(3). The memory of next must not be freed under any circumstance. Finally, the pointer to the link that was just freed must be set to NULL (quite similar to the function ft_memdel in the mandatory part).
ft_lstdel	Takes as a parameter the adress of a pointer to a link and frees the memory of this link and every successors of that link using the functions del and free(3). Finally the pointer to the link that was just freed must be set to NULL (quite similar to the function ft_memdel from the mandatory part).
ft_lstadd	adds the element new at the beginning of the list.
ft_lstiter	iterates the list lst and applies the function f to each link.
ft_lstmap	Iterates a list lst and applies the function f to each link to create a “fresh” list (using malloc(3)) resulting from the successive applications of f. If the allocation fails, the function returns NULL.
ADDITONAL
ft_isspace	finds spaces in string given as argument, returns 1 if true and 0 if false.
ft_countwords	counts words in string given as argument.
ft_min	compares two given arguments returning the smallest argument.
ft_max	compares two given arguments returning the biggest argument.
ft_arrlen	computes the length of the array given as argument.

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