code: def _lenstr(ins):
      ''' Returns string length
      '''
      (tmp1, output) = _str_oper(ins.quad[2], no_exaf=True)
      if tmp1:
          output.append('push hl')
  
      output.append('call __STRLEN')
      output.extend(_free_sequence(tmp1))
      output.append('push hl')
      REQUIRES.add('strlen.asm')
      return outpuf _lenstr(ins):
      ''' Returns string length
      '''
      (tmp1, output) = _str_oper(ins.quad[2], no_exaf=True)
      if tmp1:
          output.append('push hl')
  
      output.append('call __STRLEN')
      output.extend(_free_sequence(tmp1))
      output.append('push hl')
      REQUIRES.add('strlen.asm')
      return output
docs: Returns string length