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1.1 ! root 1: ! 2: ! 3: isalpha() ctype Macro (ctype.h) isalpha() ! 4: ! 5: ! 6: ! 7: ! 8: Check if a character is a letter ! 9: ! 10: #iinncclluuddee <ccttyyppee.hh> ! 11: iinntt iissaallpphhaa(_c) iinntt _c; ! 12: ! 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. ! 17: ! 18: ***** Example ***** ! 19: ! 20: For an example of this macro, see the entry for ctype. ! 21: ! 22: ***** See Also ***** ! 23: ! 24: ASCII, ctype ! 25: ! 26: ! 27: ! 28: ! 29: ! 30: ! 31: ! 32: ! 33: ! 34: ! 35: ! 36: ! 37: ! 38: ! 39: ! 40: ! 41: ! 42: ! 43: ! 44: ! 45: ! 46: ! 47: ! 48: ! 49: ! 50: ! 51: ! 52: ! 53: ! 54: ! 55: ! 56: ! 57: ! 58: ! 59: ! 60: ! 61: ! 62: ! 63: ! 64: COHERENT Lexicon Page 1 ! 65: ! 66:
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