aauuttoo -- C Keyword

Note an automatic variable

aauuttoo is an abbreviation for an  _a_u_t_o_m_a_t_i_c _v_a_r_i_a_b_l_e. This is a variable that
applies  only  to the  function  that  invokes it,  and  vanishes when  the
functions exits.   The word aauuttoo  is a C  keyword, and must not  be used to
name any function, macro, or variable.

_S_e_e _A_l_s_o
CC kkeeyywwoorrddss, eexxtteerrnn, ssttaattiicc, ssttoorraaggee ccllaassss
ANSI Standard, section 6.5.1
