Someone

int     my_strlen(char *str);
int     my_strcpy(char *dest, char *src);
int     my_putchar(char c);
int     malloc(int size);

char    *parser(char *str)
{
  char  *tab;

  *tab = malloc(my_strlen(str) + 10);
  my_strcpy(tab, str);
  return (&tab[0]);
}

int     main()
{
  char *s;

  s = parser("David le g4m3rZ");
  my_putchar(*s);
  return (0);
}