String functions

String functions. More...

Functions
size_t	ft_strlen (const char *the_string)
	Len of string without '\0'.
size_t	ft_strlen_char (const char *the_string, int character)
	Number of occurrence of character in the string.
size_t	ft_strlcpy (char *dst, const char *src, size_t size)
size_t	ft_strlcat (char *dst, const char *src, size_t size)
	Concatenate src into dst, up to size bytes.
char *	ft_strchr (const char *string, int searched_char)
	Find first occurrence of searched_char.
char *	ft_strrchr (const char *string, int searched_char)
	Find last occurrence of searched_char.
int	ft_strncmp (const char *first, const char *second, size_t length)
	Find differences between first and second.
const char *	ft_strnstr (const char *big, const char *little, size_t len)
	Search a substring in a bigger string, up to len position in string.
char *	ft_strdup (const char *source)
	Create a copy of source into a new pointer NEEDS to be freed.
char *	ft_strndup (const char *source, size_t len)
	Create a copy of source into a new pointer of size len NEEDS to be freed.
char *	ft_substr (char const *src, unsigned int start, size_t len)
	Create a copy of source into a new pointer, at start, of size len NEEDS to be freed.
char *	ft_strjoin (char const *s1, char const *s2)
	Allocates a new string, and returns the result of a concatenation of s1 and s2.
char *	ft_strjoins (char **str)
	Allocates a new string, and returns the result of a concatenation of all the strings from the array last argument needs to be NULL.
char *	ft_strtrim (char const *s, char const *set)
	Deletes all characters that exist in s and set, if they are at the beginning of the string or at the end.
char **	ft_split (char const *s, char c)
	Allocates with a malloc and returns an array of strings obtained by separating ’s’ using the character ’c’, used as a delimiter. The array must be terminated by NULL.
char *	ft_strmapi (char const *s, char(*f)(unsigned int, char))
	Apply the function ’f’ to each character of the string ’s’, passing its index as first argument and the character itself as second argument.
void	ft_striteri (char *s, void(*f)(unsigned int, char *))
	Iterate the function f on string s.

Detailed Description

String functions.

Function Documentation

ft_split()

char ** ft_split	(	char const *	s,
		char	c )

Allocates with a malloc and returns an array of strings obtained by separating ’s’ using the character ’c’, used as a delimiter. The array must be terminated by NULL.

Parameters

s	string to print
c	char used as a delimiter

Returns

char** array of strings

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ft_strchr()

char * ft_strchr	(	const char *	string,
		int	searched_char )

Find first occurrence of searched_char.

Parameters

string	string to search in
searched_char	char to search

Returns

char* index of Char found

ft_strdup()

char * ft_strdup

(

const char *

source

)

Create a copy of source into a new pointer NEEDS to be freed.

Parameters

source

string to copy

Returns

char* pointer to the new string

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ft_striteri()

void ft_striteri	(	char *	s,
		void(*	f )(unsigned int, char *) )

Iterate the function f on string s.

Parameters

s	string to iterate
f	function to apply

ft_strjoin()

char * ft_strjoin	(	char const *	s1,
		char const *	s2 )

Allocates a new string, and returns the result of a concatenation of s1 and s2.

Parameters

s1	string 1
s2	string 2

Returns

char* new string

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ft_strjoins()

char * ft_strjoins

(

char **

array

)

Allocates a new string, and returns the result of a concatenation of all the strings from the array last argument needs to be NULL.

Parameters

array

Array of strings

Returns

char* new string

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ft_strlcat()

size_t ft_strlcat	(	char *	dst,
		const char *	src,
		size_t	size )

Concatenate src into dst, up to size bytes.

Parameters

dst	destination string
src	source string
size	size of the destination string

Returns

unsigned int size of the new string

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ft_strlcpy()

size_t ft_strlcpy	(	char *	dst,
		const char *	src,
		size_t	size )

ft_strlen()

size_t ft_strlen

(

const char *

the_string

)

Len of string without '\0'.

Parameters

the_string

string to check

Returns

size_t len of the string

ft_strlen_char()

size_t ft_strlen_char	(	const char *	the_string,
		int	character )

Number of occurrence of character in the string.

Parameters

the_string	string to check
character	character to count

Returns

size_t len of the string

ft_strmapi()

char * ft_strmapi	(	char const *	s,
		char(*	f )(unsigned int, char) )

Apply the function ’f’ to each character of the string ’s’, passing its index as first argument and the character itself as second argument.

Parameters

s	string to iterate
f	function to apply

Returns

char* new string

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ft_strncmp()

int ft_strncmp	(	const char *	first,
		const char *	second,
		size_t	length )

Find differences between first and second.

Parameters

first	first string to compare
second	second string to compare
length	number of characters to compare

Returns

int value of first - second

ft_strndup()

char * ft_strndup	(	const char *	source,
		size_t	len )

Create a copy of source into a new pointer of size len NEEDS to be freed.

Parameters

source	string to copy
len	size of the new string

Returns

char* pointer to the new string

ft_strnstr()

const char * ft_strnstr	(	const char *	big,
		const char *	little,
		size_t	len )

Search a substring in a bigger string, up to len position in string.

Parameters

big	string to search in
little	string to search
len	max size of big

Returns

char* pointer to the first occurence of little in big

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ft_strrchr()

char * ft_strrchr	(	const char *	string,
		int	searched_char )

Find last occurrence of searched_char.

Parameters

string	string to search in
searched_char	character to search

Returns

char* pointer to the last occurrence of searched_char

ft_strtrim()

char * ft_strtrim	(	char const *	s,
		char const *	set )

Deletes all characters that exist in s and set, if they are at the beginning of the string or at the end.

Parameters

s	string to trim
set	string of characters to trim

Returns

char* new string

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ft_substr()

char * ft_substr	(	char const *	src,
		unsigned int	start,
		size_t	len )

Create a copy of source into a new pointer, at start, of size len NEEDS to be freed.

Parameters

src	string to copy
start	start of the copy
len	size of the copy

Returns

char* new string

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