string_functions.c

#include "holberton.h"

/**
 * _strlen - find length of string
 * @s: input string
 * Return: length integer
 */
int _strlen(const char *s)
{
	int i = 0;

	while (s[i] != '\0')
	{
		i++;
	}
	return (i);
}

/**
 * _strcpy - copy strings
 * @dest: destnation output
 * @src: src input
 * Return: destination of copied string
 */
char *_strcpy(char *dest, char *src)
{
	int i;

	i = 0;
	while (src[i] != '\0')
	{
		dest[i] = src[i];
		i++;
	}
	dest[i] = '\0';
	return (dest);

}

/**
 * _strcat - concatanate two strings
 * @dest: destination output
 * @src: src input
 * Return: concatonated strings
 */
char *_strcat(char *dest, char *src)
{
	int i, j;

	i = 0;
	j = 0;
/* gets the length of src string*/
	while (dest[i] != '\0')
	{
		i++;
	}
	dest[i] = '/';
	i++;
	while (src[j] != '\0')
	{
		dest[i] = src[j];
		j++;
		i++;
	}
	dest[i] = '\0';
	return (dest);
}

/**
 * _strdup - returns a copy of a string passed
 * @str: string passed
(* a blank line
* Description: Longer description of the function)?
(* section header: Section description)*
* Return: return copy string, NULL otherwise
*/

char *_strdup(const char *str)
{
	int len, i;
	char *a;

	if (str == NULL)
		return (NULL);
	len = _strlen(str);
	a = malloc(len * sizeof(char) + 1);
	if (a == NULL)
		return (NULL);
	for (i = 0; i < len; i++)
	{
		a[i] = str[i];
	}
	a[i] = '\0';
	return (a);
}