pollution: statvfs64
struct statvfs64 { unsigned long f_bsize; unsigned long f_frsize; fsblkcnt_t f_blocks; fsblkcnt_t f_bfree; fsblkcnt_t f_bavail; fsfilcnt_t f_files; fsfilcnt_t f_ffree; fsfilcnt_t f_favail; unsigned long f_fsid; unsigned long f_flag; unsigned long f_namemax; unsigned int f_spare[6]; }; 

pollution: statvfs64
pollution: statvfs64
int statvfs64(const char *__restrict __pathname, struct statvfs64 *__restrict __buf); 

pollution: statvfs64
pollution: fstatvfs64
int fstatvfs64(int __fd, struct statvfs64 *__buf);