Shorter typdefs

common.h

typedef uint8_t    u8;
typedef uint16_t  u16;
typedef uint32_t  u32;
typedef uint64_t  u64;
typedef size_t   umax;

typedef int8_t     s8;
typedef int16_t   s16;
typedef int32_t   s32;
typedef int64_t   s64;

// The sizes of float and double types can vary across different platforms and architectures.
// While most modern systems use IEEE 754 floating-point representations, where float is 32-bits and double is 64-bits,
// this is not a requirement of the C standard, so be aware if you run an old system from the 80s.
typedef float     f32;
typedef double    f64;