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str_func.c
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str_func.c
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#include "nice_header.h"
/**
* _strlen - Length of the string
*
* @s: Pointer of char variable
* Return: Integer value
*/
int _strlen(char *s)
{
char *t;
int counter = 0;
for (t = s; *t != '\0'; t++)
counter++;
return (counter);
}
/**
* *_strcpy - Copy the string pointed
*
* @dest: Pointer of a char[] variable
* @src: Pointer of a char[] variable
* Return: Copy of the pointer char
*/
char *_strcpy(char *dest, char *src)
{
int counter = 0;
while (*src != '\0')
{
*dest = *src;
dest++;
src++;
counter++;
}
*dest = '\0';
dest -= counter;
return (dest);
}
/**
* *_strcat - Concatenates two strings
* @dest: String of destiny, pointer to a char[]
* @src: Source string, pointer to a char[]
* Return: Char[] concatenated
*/
char *_strcat(char *dest, char *src)
{
int i, j;
for (i = 0; *dest != 0; i++)
dest++;
for (j = 0; src[j] != 0; j++)
{
*dest = src[j];
dest++;
}
*dest = '\0';
dest -= (i + j);
return (dest);
}
/**
* *_strdup - Function returns a pointer to a new string
* which is a duplicate of the string str.
* @str: String
* Return: Pointer to a new string
*/
char *_strdup(char *str)
{
char *dupli, *copy;
int len = 0;
if (str == NULL)
return (NULL);
for (copy = str; *copy != '\0'; copy++)
len++;
dupli = malloc(len + 1);
if (dupli == NULL)
return (NULL);
_strcpy(dupli, str);
return (dupli);
}