pollution: af_name
char af_name[16]; 

pollution: af_arg
char af_arg[256-16]; 

pollution: accept_filter_arg
struct accept_filter_arg { char af_name[16]; char af_arg[256-16]; }; 

pollution: getsockopt2
int getsockopt2(int, int, int, void *restrict, __socklen_t * restrict); 

pollution: paccept
int paccept(int, struct sockaddr * restrict, __socklen_t * restrict, const sigset_t * restrict, int); 

pollution: CCMSG_DATA
#define CCMSG_DATA(cmsg) (__CASTCV(const unsigned char *, cmsg) + __CMSG_ASIZE)