simple_sh.c
/**
* _set - sets some start values to NULL
* @buffer: buffer
* @tokens: tokens
* @read_status: read status
* @token_count: token count
*/
sets some start values to NULL
sets some start values to NULL
void _set(char **buffer, char ***tokens, int *read_status, int *token_count)
{
	*buffer = NULL; 
	*tokens = NULL;
	*read_status = 0;
	*token_count = 0;
}
void _set ( char * * buffer , char * * * tokens , int * read_status , int * token_count ) { * buffer = NULL ; * tokens = NULL ; * read_status = 0 ; * token_count = 0 ; }
_set - sets some start values to NULL
_set - sets some start values to NULL
/* so getline func can automatically allocate the memory.*/