153 lines
5 KiB
C
153 lines
5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* libft.h :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: mcolonna <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/10/02 11:46:15 by mcolonna #+# #+# */
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/* Updated: 2024/04/24 13:16:41 by mcolonna ### ########.fr */
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/* */
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/* ************************************************************************** */
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#ifndef LIBFT_H
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# define LIBFT_H
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# include <stddef.h>
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# include <limits.h>
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///// CHAR /////
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// (In libc) Return 1 if the char 'c' is a specific type of char, or else 0.
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int ft_isalpha(int c); // A-Za-z
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int ft_isdigit(int c); // 0-9
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int ft_isalnum(int c); // A-Za-z0-9
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int ft_isascii(int c); // (0)-(127)
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int ft_isprint(int c); // (32)-(126)
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// (In libc) Return the uppercase/lowercase version of the letter,
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// or the char itself if it's not a letter.
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int ft_toupper(int c);
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int ft_tolower(int c);
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///// STR /////
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// (In libc) Compare 2 strings until n
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int ft_strncmp(const char *s1, const char *s2, size_t n);
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// (In libc) Return the length of the string 's'.
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size_t ft_strlen(const char *s);
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// (In libc) Copy/Append src on dst.
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// 'dst' will be 'size' chars max, including \0,
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// except if 'dst' is already longer for strlcat().
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// 1. Never do more than size.
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// 2. Always end by \0, except if it doesn't respect 1.
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size_t ft_strlcpy(char *dst, const char *src, size_t size);
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size_t ft_strlcat(char *dst, const char *src, size_t size);
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// (In libc) Return a pointer to the first of last char 'c' in 's',
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// or return NULL if there aren't any.
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char *ft_strchr(const char *s, int c); // First char.
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char *ft_strrchr(const char *s, int c); // Last char.
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// (In libc) Return a pointer to the first occurence
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// of string 'little' in string 'big'.
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// Don't look chars after 'size'.
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char *ft_strnstr(const char *big, const char *little, size_t len);
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// (In libc) Return an malloced duplicate of 's'.
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// Uses: malloc
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// Error: return NULL
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char *ft_strdup(const char *s);
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// (Perso) Apply 'f' on each char of the string 's' and returns the result.
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// Uses: malloc
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// Error: return NULL
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char *ft_strmapi(char const *s, char (*f)(unsigned int, char));
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// (Perso) Call 'f' for each char of 's'.
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void ft_striteri(char *s, void (*f)(unsigned int, char *));
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// (Perso) Return the substring of 's' which starts at 'start'
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// and is of length 'len'.
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// Don't take chars after the end of the string.
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// Uses: malloc
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// Error: return NULL
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char *ft_substr(char const *s, unsigned int start, size_t len);
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// (Perso) Concatenate the two strings.
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// Uses: malloc
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// Error: return NULL
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char *ft_strjoin(char const *s1, char const *s2);
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// (Perso) Remove the characters 'set' from the beginning
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// and the end of the string.
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// Uses: malloc
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// Error: return NULL
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char *ft_strtrim(char const *s1, char const *set);
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// (Perso) Split 's' by the chars 'c'.
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// Return an array ended by NULL.
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// Uses: malloc
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// Error: return NULL
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char **ft_split(char const *s, char c);
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///// MEM /////
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// (In libc) Fills 's' with 'n' times the char 'c'.
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// Return 'c'.
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void *ft_memset(void *s, int c, size_t n);
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// (In libc) Just ft_memset(s, '\0', n) lol.
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void ft_bzero(void *s, size_t n);
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// (In libc) Copy 'n' bytes from 'src' to 'dest'.
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// The 'src' and 'dest' areas mustn't overlap.
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// Return 'dest'.
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void *ft_memcpy(void *dest, const void *src, size_t n);
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// (In libc) Same, but the areas can overlap.
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// Return 'dest'.
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void *ft_memmove(void *dest, const void *src, size_t n);
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// (In libc) Find the character 'c' in 's', 's' being of length 'n'.
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// NULL if none.
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void *ft_memchr(const void *s, int c, size_t n);
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// (In libc) Compare 'n' bytes of 's1' and 's2'.
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int ft_memcmp(const void *s1, const void *s2, size_t n);
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// (In libc) Alloc an array of 'size' elements with each element
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// being of size 'size'.
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// Uses: malloc
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// Error: return NULL
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void *ft_calloc(size_t nmemb, size_t size);
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///// CAST /////
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// (In libc) Cast a string to an int.
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// /[ \f\n\r\t\v]*[-+]?[0-9]*.*/
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int ft_atoi(const char *nptr);
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// (Perso) Cast an int to a string.
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// Uses: malloc
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// Error: return NULL
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char *ft_itoa(int n);
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///// WRITE /////
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// (Perso) Write the char/string on the file descriptor 'fd'.
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// Uses: write
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void ft_putchar_fd(char c, int fd);
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void ft_putstr_fd(char *s, int fd);
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// (Perso) Write the string 's' followed by a newline.
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// Uses: write
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void ft_putendl_fd(char *s, int fd);
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// (Perso) Write the number 'n'.
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// Uses: write
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void ft_putnbr_fd(int n, int fd);
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#endif
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