Naming Conventions

"Ubi Hungarian" Notation

[MODULE]_[prefix][PascalCaseName];

Prefix	Meaning	Notes

Primary types
`l`	long (int)
`ul`	unsigned long
`w`	short
`uw`	unsigned short
`c`	char
`uc`	unsigned char
`f`	float	(see `x` for more common float prefix)
`v`	void
Defined types
`st`	struct
`u`	union
`e`	enum
`b`	boolean	4-byte `BOOL` or 1-byte `ACP_tdxBool`
`sz`	string	null-terminated
`x`	`typedef`ed primitive	most often used for `MTH_tdxReal` (float)
`h`	handle
`bf`	bit-field
`bf[N]`	bit-field	uses N bits
Stacking prefixes
`p_`	pointer
`a_`	array
`a[N]_`		fixed length of N elements
`aDEF_`		fixed length defined by a macro
`d_`	dynamic array
`fn_`	function
`M_`	macro	function-like
`C_`	macro	constant
`td`	typedef
Other
`g_`	global
`s_`	static
`n`	count / number of
`Nb`	count / number of

With multiple prefixes, the separating underscore is sometimes omitted (p_fn == pfn)
The naming rules weren't always strictly followed. In some rare cases the prefixes do not match the variable/return type.