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 )