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- ISALPHA(3) UNIX Programmer's Manual ISALPHA(3)
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- NNAAMMEE
- iissaallpphhaa - alphabetic character test
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- SSYYNNOOPPSSIISS
- ##iinncclluuddee <<ccttyyppee..hh>>
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- _i_n_t
- iissaallpphhaa(_i_n_t _c)
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- DDEESSCCRRIIPPTTIIOONN
- The iissaallpphhaa() function tests for any character for which isupper(3) or
- islower(3) is true and for which none of iscntrl(3), isdigit(3),
- ispunct(3), or isspace(3) is true. In the _`_`_C_'_' locale, iissaallpphhaa() re
- turns true only for the characters for which isupper(3) or islower(3) is
- true.
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- RREETTUURRNN VVAALLUUEESS
- The iissaallpphhaa() macro returns zero if the character tests false and returns
- nonzero if the character tests true.
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- SSEEEE AALLSSOO
- isascii(3), isalnum(3), iscntrl(3), isdigit(3), isgraph(3),
- islower(3), isprint(3), ispunct(3), isspace(3), isupper(3),
- isxdigit(3), toascii(3), tolower(3), toupper(3), stdio(3) ascii(7)
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- SSTTAANNDDAARRDDSS
- The iissaallpphhaa() function conforms to ANSI C3.1591989 (``ANSI C'').
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- BSD Experimental June 29, 1991 1
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