ft_string.c File Reference

Returns the number of characters in a string. More...

#include "libft.h"

Include dependency graph for ft_string.c:

Functions
char *	ft_strcat (char *dest, const char *src)
	Appends the src string to the end of the dest string.
char *	ft_strchr (const char *str, int c)
	Finds the first occurrence of a character in a string.
int	ft_strcmp (const char *s1, const char *s2)
	Compares two strings lexicographically.
char *	ft_strcpy (char *dst, const char *src)
	Compares two strings lexicographically.
char *	ft_strdup (const char *src)
	Allocates and duplicates a null-terminated string.
void	ft_striteri (char *s, void(*f)(unsigned int, char *))
	Applies a function to each character of a string, passing its index.
char *	ft_strjoin (const char *s1, const char *s2)
	Concatenates two strings into a newly allocated string.
size_t	ft_strlcat (char *dest, const char *src, size_t size)
	Concatenates src to the end of dest while ensuring null-termination.
size_t	ft_strlcpy (char *dest, const char *src, size_t size)
	Copies a string from src to dest, up to size - 1 characters.
size_t	ft_strlen (const char *str)
char *	ft_strmapi (char const *s, char(*f)(unsigned int, char))
	Applies a function to each character of a string to create a new string.
int	ft_strncmp (const char *s1, const char *s2, size_t n)
	Compares two strings up to n characters.
char *	ft_strndup (const char *src, size_t n)
	Creates a copy of a string, up to n characters.
char *	ft_strnstr (const char *big, const char *little, size_t len)
	Searches for a substring in a string within a max length.
char *	ft_strrchr (const char *str, int c)
	Returns a pointer to the last occurrence of a character in a string.
char *	ft_substr (const char *s, unsigned int start, size_t len)
	Extracts a substring from a string.
int	ft_tolower (int c)
	Converts a character to lowercase.
int	ft_toupper (int c)
	Converts a character to uppercase.

Detailed Description

Returns the number of characters in a string.

Author

Toonsa

Date

2025/04/05

Iterates through the given null-terminated string to determine its length (not including the terminating \0).

Parameters

str	The string whose length is to be calculated.

Returns

The number of characters before the null terminator.