ttoouuppppeerr() -- ctype Function (libc)

Convert characters to upper case
#iinncclluuddee <ccttyyppee.hh>
iinntt ttoouuppppeerr(_c) iinntt _c;

ttoouuppppeerr() converts  the letter  _c to upper  case and returns  the converted
character.  If _c is not an lower-case character, that is, any character for
which iisslloowweerr() returns true, ttoouuppppeerr() returns it unchanged.

_E_x_a_m_p_l_e
For an example of this routine, see the entry for ttoolloowweerr().

_S_e_e _A_l_s_o
_ttoouuppppeerr(), lliibbcc, ttoolloowweerr()
ANSI Standard, section 7.3.2.2
POSIX Standard, section 8.1
