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This section describes the
scanf input conversions for reading
string and character values: `%s' and `%c'.
The `%c' conversion is the simplest: it matches a fixed number of characters, always. The maximum field with says how many characters to read; if you don't specify the maximum, the default is 1. This conversion does not skip over initial whitespace characters. It reads precisely the next n characters, and fails if it cannot get that many.
The `%s' conversion matches a string of non-whitespace characters. It skips and discards initial whitespace, but stops when it encounters more whitespace after having read something.
For example, reading the input:
with the conversion `%10c' produces
" hello, wo", but
reading the same input with the conversion `%10s' produces
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