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The formatting placeholders in scanf are more or less the same as that in printf, its reverse function.As in printf, the POSIX extension n$ is defined. [2]There are rarely constants (i.e., characters that are not formatting placeholders) in a format string, mainly because a program is usually not designed to read known data, although scanf does accept these if explicitly specified.
Bjarne Stroustrup, the creator of C++, wrote the first version of the stream I/O library in 1984, as a type-safe and extensible alternative to C's I/O library. [5] The library has undergone a number of enhancements since this early version, including the introduction of manipulators to control formatting, and templatization to allow its use with character types other than char.
An input number is required. In the first example above, the input number is 123. ... 28 is followed by a unit, and |in is not the name of a formatting option.
By default, the output value is rounded to adjust its precision to match that of the input. An input such as 1234 is interpreted as 1234 ± 0.5, while 1200 is interpreted as 1200 ± 50, and the output value is displayed accordingly, taking into account the scale factor used in the conversion.
About a half hour later, around 9 p.m., “multiple burn victims were reported walking toward a nearby restaurant,” according to the public information officer.
The data to be written, for instance a piece of text, is defined by a pointer and a size, given in number of bytes. write thus takes three arguments: The file code (file descriptor or fd). The pointer to a buffer where the data is stored (buf). The number of bytes to write from the buffer (nbytes).
From January 2008 to December 2012, if you bought shares in companies when Howard G. Buffett joined the board, and sold them when he left, you would have a -4.7 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
From January 2008 to December 2012, if you bought shares in companies when Judith M. Runstad joined the board, and sold them when she left, you would have a 12.1 percent return on your investment, compared to a -2.8 percent return from the S&P 500.