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UCHAR_MAX, USHRT_MAX, UINT_MAX, ULONG_MAX, ULLONG_MAX(C99) – maximum possible value of unsigned integer types: unsigned char, unsigned short, unsigned int, unsigned long, unsigned long long; CHAR_MIN – minimum possible value of char; CHAR_MAX – maximum possible value of char; MB_LEN_MAX – maximum number of bytes in a multibyte character
However, hex escape sequences longer than two hex digits might be useful inside a wide character or wide string literal (prefixed with L): // single char with value 0x12 (18 decimal) char s1 [] = " \x12 " ; // single char with implementation-defined value, unless char is long enough char s1 [] = " \x1234 " ; // single wchar_t with value 0x1234 ...
The type char occupies exactly one byte (the smallest addressable storage unit), which is typically 8 bits wide. (Although char can represent any of C's "basic" characters, a wider type may be required for international character sets.) Most integer types have both signed and unsigned varieties, designated by the signed and unsigned keywords.
byte, short, int, long, char (integer types with a variety of ranges) float and double, floating-point numbers with single and double precisions; boolean, a Boolean type with logical values true and false; returnAddress, a value referring to an executable memory address. This is not accessible from the Java programming language and is usually ...
%x, %X : Scan an integer as an unsigned hexadecimal number. %o : Scan an integer as an octal number. %s : Scan a character string. The scan terminates at whitespace. A null character is stored at the end of the string, which means that the buffer supplied must be at least one character longer than the specified input length. %c : Scan a ...
In computer science, an integer literal is a kind of literal for an integer whose value is directly represented in source code.For example, in the assignment statement x = 1, the string 1 is an integer literal indicating the value 1, while in the statement x = 0x10 the string 0x10 is an integer literal indicating the value 16, which is represented by 10 in hexadecimal (indicated by the 0x prefix).
Where "new" is the standard routine in Pascal for allocating memory for a pointer, and "hex" is presumably a routine to print the hexadecimal string describing the value of an integer. This would allow the display of the address of a pointer, something which is not normally permitted. (Pointers cannot be read or written, only assigned.)
Character Description hh: For integer types, causes printf to expect an int-sized integer argument which was promoted from a char. h: For integer types, causes printf to expect an int-sized integer argument which was promoted from a short. l: For integer types, causes printf to expect a long-sized integer argument. For floating-point types ...