pollution: timeval
struct timeval { time_t tv_sec; suseconds_t tv_usec; }; 

pollution: timeval
struct timeval it_interval; 

pollution: timeval
struct timeval it_value; 

pollution: itimerval
struct itimerval { struct timeval it_interval; struct timeval it_value; }; 

pollution: fds_bits
__fd_mask fds_bits[(((255) + ((32) - 1)) / (32))]; 

pollution: fd_set
pollution: fd_set
typedef struct fd_set { __fd_mask fds_bits[(((255) + ((32) - 1)) / (32))]; } fd_set; 

pollution: asctime_r
char *asctime_r(const struct tm * restrict, char * restrict); 

pollution: ctime_r
char *ctime_r(const time_t *, char *) __asm("__ctime_r50"); 

pollution: timeval
pollution: select
int select(int, fd_set * restrict, fd_set * restrict, fd_set * restrict, struct timeval * restrict) __asm("__select50"); 

pollution: itimerval
pollution: getitimer
int getitimer(int, struct itimerval *) __asm("__getitimer50"); 

pollution: timeval
pollution: gettimeofday
int gettimeofday(struct timeval * restrict, void *restrict) __asm("__gettimeofday50"); 

pollution: itimerval
pollution: itimerval
pollution: setitimer
int setitimer(int, const struct itimerval * restrict, struct itimerval * restrict) __asm("__setitimer50"); 

pollution: timeval
pollution: utimes
int utimes(const char *, const struct timeval [2]) __asm("__utimes50"); 

pollution: CLK_TCK
#define CLK_TCK (__sysconf(39))

pollution: CLOCKS_PER_SEC
#define CLOCKS_PER_SEC 100

pollution: FD_CLR
#define FD_CLR(n,p) ((p)->fds_bits[(unsigned)(n) >> __NFDSHIFT] &= ~(1 << ((n) & __NFDMASK)))

pollution: FD_ISSET
#define FD_ISSET(n,p) ((p)->fds_bits[(unsigned)(n) >> __NFDSHIFT] & (1 << ((n) & __NFDMASK)))

pollution: FD_SET
#define FD_SET(n,p) ((p)->fds_bits[(unsigned)(n) >> __NFDSHIFT] |= (1 << ((n) & __NFDMASK)))

pollution: FD_SETSIZE
#define FD_SETSIZE 255

pollution: FD_ZERO
#define FD_ZERO(p) (void)__builtin_memset((p), 0, sizeof(*(p)))

pollution: ITIMER_MONOTONIC
#define ITIMER_MONOTONIC 3

pollution: ITIMER_PROF
#define ITIMER_PROF 2

pollution: ITIMER_REAL
#define ITIMER_REAL 0

pollution: ITIMER_VIRTUAL
#define ITIMER_VIRTUAL 1

pollution: PRIxREGISTER
#define PRIxREGISTER "x"