cutil

C library to implement

variable arguments
data structures like linked-lists, vector arrays, maps
bitmaps & bitwise operations
assembler-level optimizations
architecture-dependent & hardware features
byte-order endianness detection, byte-swapping
structure object members mapping, dynamic processing, endianness auto-converting
dynamic-length structures, members sizes which are determined by mapping or run-time object member value
string processing & text converting multi-byte (UTF-8) character set to double-byte character set and vise-versa