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            • ▼Alphabetic Function Reference
              • ▶A Through B
              • ▶C Through D
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              • ▼I Through K
                • _inp, _inpw, _inpd
                • is, isw Routines
                • isalnum, iswalnum
                • isalpha, iswalpha
                • __isascii, iswascii
                • iscntrl, iswcntrl
                • __iscsym, __iscsymf
                • isdigit, iswdigit
                • isgraph, iswgraph
                • islower, iswlower
                • isprint, iswprint
                • ispunct, iswpunct
                • isspace, iswspace
                • isupper, iswupper
                • iswctype
                • isxdigit, iswxdigit
                • _isatty
                • isleadbyte
                • _ismbb Routines
                • _ismbbalnum
                • _ismbbalpha
                • _ismbbgraph
                • _ismbbkalnum
                • _ismbbkana
                • _ismbbkprint
                • _ismbbkpunct
                • _ismbblead
                • _ismbbprint
                • _ismbbpunct
                • _ismbbtrail
                • _ismbc Routines
                • _ismbcalnum, _ismbcalpha, _ismbcdigit
                • _ismbcgraph, _ismbcprint, _ismbcpunct, _ismbcspace
                • _ismbchira, _ismbckata
                • _ismbcl0, _ismbcl1, _ismbcl2
                • _ismbclegal, _ismbcsymbol
                • _ismbclower, _ismbcupper
                • _ismbslead, _ismbstrail
                • _isnan
                • _itoa, _i64toa, _ui64toa, _itow, _i64tow, _ui64tow
                • _kbhit
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