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How do I lowercase a string in C?

...ent such a function. So yes, just loop through the string and convert each character to lowercase. Something trivial like this: #include <ctype.h> for(int i = 0; str[i]; i++){ str[i] = tolower(str[i]); } or if you prefer one liners, then you can use this one by J.F. Sebastian: for ( ;...
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What is the difference between an int and a long in C++?

... The only guarantee you have are: sizeof(char) == 1 sizeof(char) <= sizeof(short) <= sizeof(int) <= sizeof(long) <= sizeof(long long) // FROM @KTC. The C++ standard also has: sizeof(signed char) == 1 sizeof(unsigned char) == 1 // NOTE: These size are...
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What is array to pointer decay?

...n explicit pointer to that array" - this is incorrect. If a is an array of char, then a is of type char[N], and will decay to char*; but &a is of type char(*)[N], and will not decay. – Pavel Minaev Sep 22 '09 at 19:39 ...
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Select something that has more/less than x character

Was wondering if it's possible to select something that has more/less than x characters in SQL. 4 Answers ...
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Reading and writing binary file

.... I have the following code, but the buffer only stores a couple of ASCII characters from the first line in the file and nothing else. ...
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How to do scanf for single char in C [duplicate]

In C: I'm trying to get char from the user with scanf and when I run it the program don't wait for the user to type anything... ...
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How do I base64 encode (decode) in C?

I have binary data in an unsigned char variable. I need to convert them to PEM base64 in c. I looked in openssl library but i could not find any function. Does any body have any idea? ...
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'const int' vs. 'int const' as function parameters in C++ and C

...nst are identical. With pointer types it becomes more complicated: const char* is a pointer to a constant char char const* is a pointer to a constant char char* const is a constant pointer to a (mutable) char In other words, (1) and (2) are identical. The only way of making the pointer (rather t...
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How do I apply the for-each loop to every character in a String?

So I want to iterate for each character in a string. 9 Answers 9 ...
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Pretty-print C++ STL containers

...t print a delimiter after the final item template<typename T, typename TChar = char, typename TCharTraits = std::char_traits<TChar> > class pretty_ostream_iterator : public std::iterator<std::output_iterator_tag, void, void, void, void> { public: typedef TChar char_type; ty...