Mega Code Archive

The pack-format characters, as used by unpack

Character Description a ASCII character string, unstripped A ASCII character string with trailing nulls and spaces stripped b String of bits, lowest first B String of bits, highest first c A signed character (range usually -128 to 127) C An unsigned character (usually 8 bits) d A double-precision floating-point number f A single-precision floating-point number h Hexadecimal string, lowest digit first H Hexadecimal string, highest digit first I A signed integer I An unsigned integer l A signed long integer L An unsigned long integer n A short integer in network order N A long integer in network order p A pointer to a string s A signed short integer S An unsigned short integer u Convert (uudecode) a uuencoded string v A short integer in VAX (little-endian) order V A long integer in VAX order x Skip forward a byte X Indicates "go back one byte" @ Go to specified position