iamthwee
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5,950 posts since Aug 2005
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Yes it belongs to the cctype header in C++ and ctype.h in C.
~s.o.s~
Failure as a human
11,938 posts since Jun 2006
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>oes anyone know which include file is needed for functions; IsLetter (ch) and ToLower(ch) ?
There are no such functions in standard C++. The cctype header has isalpha and tolower, which is probably what you're referring to.
Narue
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