pollution: int8
typedef signed char int8; 

pollution: int16
typedef signed short int16; 

pollution: int32
typedef signed int int32; 

pollution: int64
typedef signed long long int64; 

pollution: u_int8
typedef unsigned char u_int8; 

pollution: u_int16
typedef unsigned short u_int16; 

pollution: u_int32
typedef unsigned int u_int32; 

pollution: u_int64
typedef unsigned long long u_int64; 

pollution: INTFAST_MAX
#define INTFAST_MAX INT32_MAX

pollution: INTFAST_MIN
#define INTFAST_MIN INT32_MIN

pollution: UINTFAST_MAX
#define UINTFAST_MAX UINT32_MAX