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- ISALNUM(3) UNIX Programmer's Manual ISALNUM(3)
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- NNAAMMEE
- iissaallnnuumm - alphanumeric character test
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- SSYYNNOOPPSSIISS
- ##iinncclluuddee <<ccttyyppee..hh>>
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- _i_n_t
- iissaallnnuumm(_i_n_t _c)
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- DDEESSCCRRIIPPTTIIOONN
- The iissaallnnuumm() macro tests for any character for which isalpha(3) or is-
- digit(3) is true.
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- RREETTUURRNN VVAALLUUEESS
- The iissaallnnuumm() macro returns zero if the character tests false and returns
- non-zero if the character tests true.
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- SSEEEE AALLSSOO
- isalnum(3), isalpha(3), isascii(3), isblank(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 iissaallnnuumm() function conforms to ANSI C3.159-1989 (``ANSI C'').
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- BSD Experimental June 29, 1991 1
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