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1.1 root 1:
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3: isalpha() ctype Macro (ctype.h) isalpha()
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8: Check if a character is a letter
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10: #iinncclluuddee <ccttyyppee.hh>
11: iinntt iissaallpphhaa(_c) iinntt _c;
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13: isalpha tests whether the argument _c is a letter (AA-ZZ or aa-zz).
14: It returns a number other than zero if _c is an alphabetic charac-
15: ter, and zero if it is not. isalpha assumes that _c is an ASCII
16: character or EOF.
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18: ***** Example *****
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20: For an example of this macro, see the entry for ctype.
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22: ***** See Also *****
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24: ASCII, ctype
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64: COHERENT Lexicon Page 1
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