#ifndef LIBFT_H
# define LIBFT_H

# include <stdlib.h>

void *ft_realloc(void *ptr, size_t old_size, size_t new_size);

/* String functions */
size_t  ft_strlen(const char *s);
char    *ft_strdup(const char *s);
int     ft_strcmp(const char *s1, const char *s2);

/* Character checks and conversions */
int     ft_isalpha(int c);
int     ft_isdigit(int c);
int     ft_islower(int c);
int     ft_isupper(int c);
int     ft_tolower(int c);
int     ft_toupper(int c);

/* Memory functions */
void    ft_bzero(void *s, size_t n);
void    *ft_memset(void *s, int c, size_t n);
void    *ft_memset32(void *s, int c, size_t n);
void    *ft_memset64(void *s, int c, size_t n);
void    *ft_memcpy(void *dst, const void *src, size_t n);
void    *ft_memcpy32(void *dst, const void *src, size_t n);
void    *ft_memcpy64(void *dst, const void *src, size_t n);
int     ft_memcmp(const void *s1, const void *s2, size_t n);
void    *ft_memmove(void *dst, const void *src, size_t n);
void    *ft_memchr(const void *s, int c, size_t n);
/* Conversion */
int     ft_atoi(const char *str);

/* Output functions */
int     ft_putchar(char c);
int     ft_putstr(const char *s);
int     ft_putnbr(int n);
int     ft_putunbr(unsigned int n);
int     ft_puthex(unsigned int n, int uppercase);
int     ft_putaddr(unsigned long n);
int     ft_putptr(void *ptr);
int     ft_printf(const char *format, ...);

/* String */
typedef struct s_string
{
    size_t len;
    char *data;
} t_string;

/* Single Linked List */
typedef struct s_slist
{
    void *data;
    struct s_slist *next;
} t_slist;

t_slist *ft_slist_new(void *data);
void ft_slist_push(t_slist **lst, t_slist *node);
void ft_slist_unshift(t_slist **lst, t_slist *node);
t_slist *ft_slist_pop(t_slist **lst);
t_slist *ft_slist_shift(t_slist **lst);
int ft_slist_size(t_slist *lst);
void ft_slist_clear(t_slist **lst);
void ft_slist_reverse(t_slist **lst);
int ft_slist_empty(t_slist *lst);
void ft_slist_iter(t_slist *lst, void (*f)(void *));
void ft_slist_rm(t_slist **lst, void *data, int (*cmp)(void *, void *), void (*del)(void *));
t_slist *ft_slist_find(t_slist *lst, void *data, int (*cmp)(void *, void *));
int ft_slist_insert(t_slist **lst, t_slist *node, int index);
t_slist *ft_slist_get(t_slist *lst, int index);

/* Vector */
typedef struct s_vec
{  
    void *data;
    size_t size;
    size_t capacity;
    size_t element_size; 
} t_vec;

/* Vector functions*/
t_vec *ft_vecnew(size_t element_size);
#endif