_ishelp.c

#include "sshell.h"
/**
 * _ishelp - if args[0] is help builtin
 * @p: input pointer
 * @loop: counter of loops
 * @v: arguments in input
 * @m: copy of environment variables
 * Return: 0 if help exist or -1 if not.
 */
int _ishelp(char **p, int loop, char *v[], char **m)
{
	char str[] = "help";
	int i = 0, cont = 0, salida = -1;

	while (p[0][i])
	{
		if (i < 4)
		{
			if (p[0][i] == str[i])
				cont++;
		}
		i++;
	}
	if (i == 4)
		cont++;

	if (cont == 5)
	{
		_help(p, loop, v, m);
		salida = 0;
	}
	return (salida);
}
/**
 * _help_builtin - help of builtin
 * @p: input pointer
 * @loop: counter of loops
 * @v: arguments in input
 * @m: copy of environment variables
 * Return: nothing.
 */
void _help_builtin(char **p, int loop, char *v[], char **m)
{
	char str1[3] = "cd", str2[5] = "exit", str3[5] = "help";
	int i = 0, j = 0, cont = 0, cont2 = 0, k = 1;

	while (p[k] != NULL)
	{
		j = 0;
		cont = 0, cont2 = 0;
		while (p[k][j] != '\0')
			j++;
		if (j == 2)
		{
			for (i = 0; i < 2; i++)
				if (p[k][i] == str1[i])
					cont++;
			if (cont == 2)
				read_cdhelp(m);
			else
				_put_err(p, loop, 1, v);
		}
		else if (j == 4)
		{
			for (i = 0; i < 4; i++)
				if (p[k][i] == str2[i])
					cont++;
			if (cont == 4)
				read_exithelp(m);
			for (i = 0; i < 4; i++)
				if (p[k][i] == str3[i])
					cont2++;
			if (cont2 == 4)
				read_helphelp(m);
			else if (cont != 4 && cont2 != 4)
				_put_err(p, loop, 1, v);
		}
		else
			_put_err(p, loop, 1, v);
		k++;
	}
}
/**
* _help- writes the error
* @p: input pointer
* @loop: counter of loops
* @v: arguments in input
* @m: copy of environment variables
* Return: nothing
*/
void _help(char **p, int loop, char *v[], char **m)
{
	if (p[0] != NULL && p[1] == NULL)
	{
		read_help(m);
	}
	else
	{
		_help_builtin(p, loop, v, m);
	}
}