Template Description
a An ASCII string (null padded)
A An ASCII string (space padded)
b A bit string (low-to-high order, like vec)
B A bit string (high-to-low order)
c A signed char value
C An unsigned char value
d A double-precision float in the native format
f A single-precision float in the native format
h A hexadecimal string (low nybble first, to high)
H A hexadecimal string (high nybble first)
i A signed integer
I An unsigned integer
l A signed long value
L An unsigned long value
n A short in "network" (big-endian) order
N A long in "network" (big-endian) order
p A pointer to a null-terminated string
P A pointer to a structure (fixed-length string)
q A signed 64-bit value
Q An unsigned 64-bit value
s A signed short value (16-bit)
S An unsigned short value (16-bit)
u A uuencoded string
v A short in "VAX" (little-endian) order
V A long in "VAX" (little-endian) order
w A BER compressed unsigned integer in base 128, high bit first
x A null byte
X Back up a byte
@ Null fill to absolute position
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