iisspprriinntt() -- ctype Function (libc)

Check if a character is printable
#iinncclluuddee <ccttyyppee.hh>
iinntt iisspprriinntt(_c) iinntt _c;

iisspprriinntt() is a macro that tests  if _c is printable, i.e, if it is neither a
delete nor a  control character.  It returns a number  other than zero if _c
is a printable character, and zero  if it is not.  iisspprriinntt() assumes that _c
is an ASCII character or EEOOFF.

_E_x_a_m_p_l_e
For an example of how to use this macro, see the entry for ccttyyppee.hh.

_S_e_e _A_l_s_o
AASSCCIIII, lliibbcc
ANSI Standard, section 7.3.1.7
POSIX Standard, section 8.1
