commit ea6b22e51c0f7ada855ddfb41adc3e19e5582aeb
Author: trmartinek <tristan.martinek@etu.uca.fr>
Date:   Wed Dec 15 16:25:30 2021 +0100

    first commit of myLibC

diff --git a/find_next_prime.c b/find_next_prime.c
new file mode 100644
index 0000000..68026a3
--- /dev/null
+++ b/find_next_prime.c
@@ -0,0 +1,22 @@
+int	is_prime(int nb)
+{
+	unsigned int	i;
+
+	i = 2;
+	while (i <= nb / i)
+	{
+		if (nb % i == 0)
+			return (1);
+		i++;
+	}
+	return (0);
+}
+
+int	find_next_prime(int nb)
+{
+	if (nb <= 2)
+		return (2);
+	while (!(is_prime(nb) == 0))
+		nb++;
+	return (nb);
+}
diff --git a/my_atoi.c b/my_atoi.c
new file mode 100644
index 0000000..6beea4b
--- /dev/null
+++ b/my_atoi.c
@@ -0,0 +1,25 @@
+int	my_atoi(char *str)
+{
+	int i;
+	int posi;
+	int num;
+
+	i = 0;
+	posi = 1;
+	num = 0;
+	while (str[i] == 32 || (str[i] >= 9 && str[i] <= 13))
+		i++;
+	while (str[i] == '-' || str[i] == '+')
+	{
+		if (str[i] == '-')
+			posi = posi * -1;
+		i++;
+	}
+	while (str[i] >= 48 && str[i] <= 57)
+	{
+		num = num * 10;
+		num = num + (str[i] - 48);
+		i++;
+	}
+	return (num * posi);
+}
diff --git a/my_file.c b/my_file.c
new file mode 100644
index 0000000..c7fdf45
--- /dev/null
+++ b/my_file.c
@@ -0,0 +1,101 @@
+#include <stdio.h>
+#define TYPE int
+
+typedef struct maillon
+{
+	TYPE		v;
+	struct maillon	*suiv;
+} Maillon, *File;
+
+File	filenouv(void)
+{
+	return NULL;
+}
+
+bool	vide(File f)
+{
+	return f==NULL;
+}
+
+TYPE	tete(File f)
+{
+	if(vide(f))
+	{
+		printf("OpĂration interdite\n");
+		exit (1);
+	}
+	return f->suiv->v;
+}
+
+int	longueur(File f)
+{
+	if(vide(f))
+	{
+		printf("OpĂration interdite\n");
+		exit (1);
+	}
+	Maillon	*m;
+	int	i;
+	i = 1;
+	m = f->suiv;
+	while(m != f)
+	{
+	++i
+	m = m->suiv;
+	}
+	return i;
+}
+
+/*void	afficher(File f)
+{
+	if(vide(f))
+		return;
+	Maillon	*m;
+	m = f->suiv;
+	while(m != f)
+	{
+		printf("%d\t", m->v);
+		m = m->suiv;
+	}
+	printf("\n");
+}*/
+
+File	supprTete(File f)
+{
+	if(vide(f))
+	{
+		printf("OpĂration interdite\n");
+		exit (1);
+	}
+	if(f == f->suiv)
+	{
+		free(f);
+		return NULL;
+	}
+	Maillon	*tmp;
+	tmp = f->suiv;
+	tmp->suiv = tmp->suiv->suiv;
+	free(f);
+	return tmp;
+}
+
+File	addQueue(File f, TYPE x)
+{
+	Maillon	*m;
+	if(!m = (Maillon *)malloc(sizeof(Maillon)))
+	{
+		printf("ProblĂme Malloc\n");
+		exit (1);
+	}
+	m->v = x;
+	if(vide(f))
+	{
+		f = m;
+		m->suiv = m;
+		return f;
+	}
+	m->suiv = f->suiv;
+	f->suiv = m;
+	f = m;
+	return f;
+}
diff --git a/my_is_prime.c b/my_is_prime.c
new file mode 100644
index 0000000..afe6711
--- /dev/null
+++ b/my_is_prime.c
@@ -0,0 +1,15 @@
+int	my_is_prime(int nb)
+{
+	int i;
+
+	i = 2;
+	if (nb < 2)
+		return (0);
+	while (i <= nb / i)
+	{
+		if (nb % i == 0)
+			return (0);
+		i++;
+	}
+	return (1);
+}
diff --git a/my_split.c b/my_split.c
new file mode 100644
index 0000000..70b577e
--- /dev/null
+++ b/my_split.c
@@ -0,0 +1,84 @@
+#include <stdlib.h>
+
+int		char_is_separator(char c, char *charset)
+{
+	int	i;
+
+	i = 0;
+	while (charset[i] != '\0')
+	{
+		if (c == charset[i])
+			return (1);
+		i++;
+	}
+	if (c == '\0')
+		return (1);
+	return (0);
+}
+
+int		count_words(char *str, char *charset)
+{
+	int	i;
+	int	words;
+
+	words = 0;
+	i = 0;
+	while (str[i] != '\0')
+	{
+		if (char_is_separator(str[i + 1], charset) == 1
+			&& char_is_separator(str[i], charset) == 0)
+			words++;
+		i++;
+	}
+	return (words);
+}
+
+void	write_word(char *dest, char *from, char *charset)
+{
+	int	i;
+
+	i = 0;
+	while (char_is_separator(from[i], charset) == 0)
+	{
+		dest[i] = from[i];
+		i++;
+	}
+	dest[i] = '\0';
+}
+
+void	write_split(char **split, char *str, char *charset)
+{
+	int		i;
+	int		j;
+	int		word;
+
+	word = 0;
+	i = 0;
+	while (str[i] != '\0')
+	{
+		if (char_is_separator(str[i], charset) == 1)
+			i++;
+		else
+		{
+			j = 0;
+			while (char_is_separator(str[i + j], charset) == 0)
+				j++;
+			split[word] = (char*)malloc(sizeof(char) * (j + 1));
+			write_word(split[word], str + i, charset);
+			i += j;
+			word++;
+		}
+	}
+}
+
+char	**my_split(char *str, char *charset)
+{
+	char	**split;
+	int		words;
+
+	words = count_words(str, charset);
+	split = (char**)malloc(sizeof(char*) * (words + 1));
+	split[words] = 0;
+	write_split(split, str, charset);
+	return (split);
+}
diff --git a/my_sqrt.c b/my_sqrt.c
new file mode 100644
index 0000000..792dd31
--- /dev/null
+++ b/my_sqrt.c
@@ -0,0 +1,15 @@
+int	sqrt(int nb)
+{
+	int i;
+
+	i = 0;
+	if (nb < 0)
+		return (0);
+	while (i < 46341 || i < nb)
+	{
+		if (i * i == nb)
+			return (i);
+		i++;
+	}
+	return (0);
+}
diff --git a/my_strcat.c b/my_strcat.c
new file mode 100644
index 0000000..44bbf4e
--- /dev/null
+++ b/my_strcat.c
@@ -0,0 +1,18 @@
+char	*my_strcat(char *dest, char *src)
+{
+	int i;
+	int j;
+
+	i = 0;
+	j = 0;
+	while (dest[i] != '\0')
+		i++;
+	while (src[j] != '\0')
+	{
+		dest[i] = src[j];
+		i++;
+		j++;
+	}
+	dest[i] = '\0';
+	return (dest);
+}
diff --git a/my_strcmp.c b/my_strcmp.c
new file mode 100644
index 0000000..6f3518b
--- /dev/null
+++ b/my_strcmp.c
@@ -0,0 +1,13 @@
+int	my_strcmp(char *s1, char *s2)
+{
+	int i;
+
+	i = 0;
+	while (s1[i])
+	{
+		if (s1[i] != s2[i])
+			return (s1[i] - s2[i]);
+		i++;
+	}
+	return (s1[i] - s2[i]);
+}
diff --git a/my_strcpy.c b/my_strcpy.c
new file mode 100644
index 0000000..cf6cdaf
--- /dev/null
+++ b/my_strcpy.c
@@ -0,0 +1,13 @@
+char	*my_strcpy(char *dest, char *src)
+{
+	int i;
+
+	i = 0;
+	while (src[i] != '\0')
+	{
+		dest[i] = src[i];
+		i++;
+	}
+	dest[i] = '\0';
+	return (dest);
+}
diff --git a/my_strdup.c b/my_strdup.c
new file mode 100644
index 0000000..334d221
--- /dev/null
+++ b/my_strdup.c
@@ -0,0 +1,23 @@
+#include <stdlib.h>
+
+char	*my_strdup(char *src)
+{
+	int	size;
+	char	*new;
+	int	i;
+
+	size = 0;
+	i = 0;
+	while (src[size])
+		size++;
+	new = (char*)malloc(sizeof(char) * (size + 1));
+	if (!new)
+		return (NULL);
+	while (src[i])
+	{
+		new[i] = src[i];
+		i++;
+	}
+	new[i] = '\0';
+	return (new);
+}
diff --git a/my_strjoin.c b/my_strjoin.c
new file mode 100644
index 0000000..044aadc
--- /dev/null
+++ b/my_strjoin.c
@@ -0,0 +1,82 @@
+#include <stdlib.h>
+
+int		sep_size(char *str)
+{
+	int	i;
+
+	i = 0;
+	while (str[i])
+		i++;
+	return (i);
+}
+
+int		full_size(int size, char **strs, char *sep)
+{
+	int	i;
+	int	j;
+	int	len;
+
+	len = 0;
+	i = 0;
+	j = 0;
+	while (i < size)
+	{
+		j = 0;
+		while (strs[i][j])
+		{
+			len++;
+			j++;
+		}
+		if (i + 1 < size)
+			len += sep_size(sep);
+		i++;
+	}
+	return (len);
+}
+
+void	write_str(int size, char **strs, char *sep, char *str)
+{
+	int		i;
+	int		j;
+	int		k;
+
+	i = -1;
+	j = 0;
+	k = 0;
+	while (++i < size)
+	{
+		j = -1;
+		while (strs[i][++j])
+		{
+			str[k] = strs[i][j];
+			k++;
+		}
+		j = -1;
+		while (i + 1 < size && sep[++j])
+		{
+			str[k] = sep[j];
+			k++;
+		}
+	}
+	str[k] = '\0';
+}
+
+char	*my_strjoin(int size, char **strs, char *sep)
+{
+	char	*str;
+
+	if (size > 0)
+	{
+		if (!(str = (char*)
+		malloc(sizeof(char) * (full_size(size, strs, sep) + 1))))
+			return (NULL);
+		write_str(size, strs, sep, str);
+	}
+	else
+	{
+		if (!(str = (char*)malloc(sizeof(char) * 1)))
+			return (NULL);
+		str[0] = '\0';
+	}
+	return (str);
+}
diff --git a/my_strlen.c b/my_strlen.c
new file mode 100644
index 0000000..02f10d8
--- /dev/null
+++ b/my_strlen.c
@@ -0,0 +1,9 @@
+int	my_strlen(char *str)
+{
+	int	len;
+
+	len = 0;
+	while (str[len] != '\0')
+		len++;
+	return (len);
+}
diff --git a/my_strncat.c b/my_strncat.c
new file mode 100644
index 0000000..1960752
--- /dev/null
+++ b/my_strncat.c
@@ -0,0 +1,18 @@
+char	*my_strncat(char *dest, char *src, unsigned int nb)
+{
+	unsigned int i;
+	unsigned int j;
+
+	i = 0;
+	j = 0;
+	while (dest[i] != '\0')
+		i++;
+	while (src[j] != '\0' && j < nb)
+	{
+		dest[i] = src[j];
+		i++;
+		j++;
+	}
+	dest[i] = '\0';
+	return (dest);
+}
diff --git a/my_strncmp.c b/my_strncmp.c
new file mode 100644
index 0000000..5325419
--- /dev/null
+++ b/my_strncmp.c
@@ -0,0 +1,11 @@
+int	my_strncmp(char *s1, char *s2, unsigned int n)
+{
+	unsigned int i;
+
+	i = 0;
+	if (n == 0)
+		return (0);
+	while (s1[i] == s2[i] && s1[i] != '\0' && i < n - 1)
+		i++;
+	return (s1[i] - s2[i]);
+}
diff --git a/my_strncpy.c b/my_strncpy.c
new file mode 100644
index 0000000..a51db8f
--- /dev/null
+++ b/my_strncpy.c
@@ -0,0 +1,17 @@
+char	*my_strncpy(char *dest, char *src, unsigned int n)
+{
+	unsigned int i;
+
+	i = 0;
+	while (i < n && src[i] != '\0')
+	{
+		dest[i] = src[i];
+		i++;
+	}
+	while (i < n)
+	{
+		dest[i] = '\0';
+		i++;
+	}
+	return (dest);
+}
diff --git a/my_strstr.c b/my_strstr.c
new file mode 100644
index 0000000..f05b9c7
--- /dev/null
+++ b/my_strstr.c
@@ -0,0 +1,25 @@
+char	*strstr(char *str, char *to_find)
+{
+	int i;
+	int j;
+
+	i = 0;
+	j = 0;
+	if (!(to_find[j]))
+		return (str);
+	while (str[i])
+	{
+		if (str[i] == to_find[0])
+		{
+			j = 0;
+			while (str[i + j] && str[i + j] == to_find[j])
+				j++;
+			if (to_find[j] == '\0')
+				return (&str[i]);
+		}
+		if (to_find[j] == '\0')
+			return (&str[i]);
+		i++;
+	}
+	return (0);
+}
diff --git a/my_ultimate_div_mod.c b/my_ultimate_div_mod.c
new file mode 100644
index 0000000..0ac28fb
--- /dev/null
+++ b/my_ultimate_div_mod.c
@@ -0,0 +1,10 @@
+void	ultimate_div_mod(int *a, int *b)
+{
+	int buf_a;
+	int buf_b;
+
+	buf_a = *a;
+	buf_b = *b;
+	*a = buf_a / buf_b;
+	*b = buf_a % buf_b;
+}