pollution: sigstack
struct sigstack { char *ss_sp; int ss_onstack; }; 

pollution: bsd_signal
void (* _Nullable bsd_signal(int, void (* _Nullable)(int)))(int); 

pollution: sighold
int sighold(int); 

pollution: sigignore
int sigignore(int); 

pollution: siginterrupt
int siginterrupt(int, int); 

pollution: sigpause
int sigpause(int) __asm("_" "sigpause" ); 

pollution: sigrelse
int sigrelse(int); 

pollution: sigset
void (* _Nullable sigset(int, void (* _Nullable)(int)))(int); 

pollution: POLL_ERR
#define POLL_ERR 4

pollution: POLL_HUP
#define POLL_HUP 6

pollution: POLL_IN
#define POLL_IN 1

pollution: POLL_MSG
#define POLL_MSG 3

pollution: POLL_OUT
#define POLL_OUT 2

pollution: POLL_PRI
#define POLL_PRI 5

pollution: TARGET_IPHONE_SIMULATOR
#define TARGET_IPHONE_SIMULATOR 0

pollution: TARGET_OS_ARROW
#define TARGET_OS_ARROW 1

pollution: TARGET_OS_BRIDGE
#define TARGET_OS_BRIDGE 0

pollution: TARGET_OS_DRIVERKIT
#define TARGET_OS_DRIVERKIT 0

pollution: TARGET_OS_EMBEDDED
#define TARGET_OS_EMBEDDED 0

pollution: TARGET_OS_IOS
#define TARGET_OS_IOS 0

pollution: TARGET_OS_IOSMAC
#define TARGET_OS_IOSMAC 0

pollution: TARGET_OS_IPHONE
#define TARGET_OS_IPHONE 0

pollution: TARGET_OS_LINUX
#define TARGET_OS_LINUX 0

pollution: TARGET_OS_MAC
#define TARGET_OS_MAC 1

pollution: TARGET_OS_MACCATALYST
#define TARGET_OS_MACCATALYST 0

pollution: TARGET_OS_NANO
#define TARGET_OS_NANO 0

pollution: TARGET_OS_OSX
#define TARGET_OS_OSX 1

pollution: TARGET_OS_SIMULATOR
#define TARGET_OS_SIMULATOR 0

pollution: TARGET_OS_TV
#define TARGET_OS_TV 0

pollution: TARGET_OS_UEFI
#define TARGET_OS_UEFI 0

pollution: TARGET_OS_UIKITFORMAC
#define TARGET_OS_UIKITFORMAC 0

pollution: TARGET_OS_UNIX
#define TARGET_OS_UNIX 0

pollution: TARGET_OS_VISION
#define TARGET_OS_VISION 0

pollution: TARGET_OS_WATCH
#define TARGET_OS_WATCH 0

pollution: TARGET_OS_WIN32
#define TARGET_OS_WIN32 0

pollution: TARGET_OS_WINDOWS
#define TARGET_OS_WINDOWS 0

pollution: TARGET_OS_XR
#define TARGET_OS_XR 0