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Directive Description
@ Moves to absolute position
A ASCII string (space padded; count is width)
a ASCII string (null padded; count is width)
B Bit string (descending bit order)
b Bit string (ascending bit order)
C Unsigned char
c Char
D, d Double-precision float, native format
E Double-precision float, little-endian byte order
e Single-precision float, little-endian byte order
F, f Single-precision float, native format
G Double-precision float, network (big-endian) byte order
g Single-precision float, network (big-endian) byte order
H Hex string (high nibble first)
h Hex string (low nibble first)
I Unsigned integer
i Integer
L Unsigned long
l Long
M Quoted-printable, MIME encoding (see RFC 2045)
m Base64-encoded string
N Long, network (big-endian) byte order
n Short, network (big-endian) byte order
P Pointer to a structure (fixed-length string)
p Pointer to a null-terminated string
Q, q 64-bit number
S Unsigned short
s Short
U UTF-8
u UU-encoded string
V Long, little-endian byte order
v Short, little-endian byte order
w BER-compressed integer\fnm
X Backs up a byte
x Null byte
Z Same as a, except that null is added with *
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