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The i specification is for integers.
Note that xs are included in the printf statement to clarify
the placement of padding characters.
Display short or integer or long:
printf ("x
--- Result ---
x 816 x
x -816 x
Display with spaces, if necessary, to fill a six-character field:
printf ("x
--- Result ---
x 816 x
x -816 x
Display with spaces, if necessary, to fill a six-character field; if more than six characters are involved, display them all anyway:
printf ("x
--- Result ---
x 8160000 x
x -8160000 x
Display with spaces, on the right, if necessary:
printf ("x
--- Result ---
x 816 x
x -816 x
Always include sign:
printf ("x
--- Result ---
x +816 x
x -816 x
Always include sign and pad on the right:
printf ("x
--- Result ---
x +816 x
x -816 x