man pages section 3: Basic Library Functions
    
I
 
 I/O multiplexing, synchronous, -- select ( Index Term Link )
 
 I/O package, standard buffered I/O -- stdio ( Index Term Link )
 
 iconv -- code conversion function ( Index Term Link )
 
 iconv_close -- code conversion deallocation function ( Index Term Link )
 
 iconv_open -- code conversion allocation function ( Index Term Link )
 
 IEEE arithmetic, convert floating-point number to string -- ecvt ( Index Term Link )
 
 IEEE floating-point environment control
  -- fpgetmaks ( Index Term Link )
  -- fpgetround ( Index Term Link )
  -- fpgetsticky ( Index Term Link )
  -- fpsetmask ( Index Term Link )
  -- fpsetround ( Index Term Link )
  -- fpsetsticky ( Index Term Link )
 
 index -- string operations ( Index Term Link )
 
 initgroups -- initialize the supplementary group access list ( Index Term Link )
 
 initstate -- pseudorandom number functions ( Index Term Link )
 
 input conversion, convert from wchar_t string -- wsscanf ( Index Term Link )
 
 input/output package, standard buffered I/O -- stdio ( Index Term Link )
 
 insque -- insert element to a queue ( Index Term Link )
 
 interfaces to stdio FILE structure -- _flushlbf ( Index Term Link )
 
 interfaces to stdio FILE structure -- __fbufsize ( Index Term Link )
 
 interfaces to stdio FILE structure -- __flbf ( Index Term Link )
 
 interfaces to stdio FILE structure -- __fpending ( Index Term Link )
 
 interfaces to stdio FILE structure -- __fpurge ( Index Term Link )
 
 interfaces to stdio FILE structure -- __freadable ( Index Term Link )
 
 interfaces to stdio FILE structure -- __freading ( Index Term Link )
 
 interfaces to stdio FILE structure -- __fsetlocking ( Index Term Link )
 
 interfaces to stdio FILE structure -- __fwritable ( Index Term Link )
 
 interfaces to stdio FILE structure -- __fwriting ( Index Term Link )
 
 invoke isa-specific executable -- isaexec ( Index Term Link )
 
 isaexec -- invoke isa-specific executable ( Index Term Link )
 
 isalnum -- character handling ( Index Term Link )
 
 isalpha -- character handling ( Index Term Link )
 
 isascii -- character handling ( Index Term Link )
 
 isatty -- test for a terminal device ( Index Term Link )
 
 isdigit -- character handling ( Index Term Link )
 
 isenglish -- wide-character code classification functions ( Index Term Link )
 
 isgraph -- character handling ( Index Term Link )
 
 isideogram -- wide-character code classification functions ( Index Term Link )
 
 islower -- character handling ( Index Term Link )
 
 isnumber -- wide-character code classification functions ( Index Term Link )
 
 isphonogram -- wide-character code classification functions ( Index Term Link )
 
 isprint -- character handling ( Index Term Link )
 
 ispunct -- character handling ( Index Term Link )
 
 isspace -- character handling ( Index Term Link )
 
 isspecial -- wide-character code classification functions ( Index Term Link )
 
 isupper -- character handling ( Index Term Link )
 
 iswalnum -- wide-character code classification functions ( Index Term Link )
 
 iswalpha -- wide-character code classification functions ( Index Term Link )
 
 iswascii -- wide-character code classification functions ( Index Term Link )
 
 iswcntrl -- wide-character code classification functions ( Index Term Link )
 
 iswctype -- test character for specified class ( Index Term Link )
 
 iswdigit -- wide-character code classification functions ( Index Term Link )
 
 iswgraph -- wide-character code classification functions ( Index Term Link )
 
 iswlower -- wide-character code classification functions ( Index Term Link )
 
 iswprint -- wide-character code classification functions ( Index Term Link )
 
 iswpunct -- wide-character code classification functions ( Index Term Link )
 
 iswspace -- wide-character code classification functions ( Index Term Link )
 
 iswupper -- wide-character code classification functions ( Index Term Link )
 
 iswxdigit -- wide-character code classification functions ( Index Term Link )
 
 isxdigit -- character handling ( Index Term Link )