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The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
printf Flags: Radix Indicators, Decimals, Trailing Zeros
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Flag With Type Meaning
# o, x, X Prefixes nonzero output with 0, 0x, and OX,
respectively. Default is no prefix.
e, E, f Forces output to contain decimal point. By
default, decimal point appears only if
digits follow it.
g, G Forces output to contain decimal point in
all cases and prevents truncation of
trailing zeros. By default, decimal point
appears only if digits follow it, and
trailing zeros are omitted.
The # is ignored when used with c, d, i, u, or s.
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