pollution: path
pollution: mode
int chmod(const char* path, mode_t mode); 

pollution: fd
pollution: mode
int fchmod(int fd, mode_t mode); 

pollution: dirfd
pollution: path
pollution: mode
pollution: flags
int fchmodat(int dirfd, const char* path, mode_t mode, int flags); 

pollution: fd
pollution: st
int fstat(int fd, struct stat* st); 

pollution: dirfd
pollution: path
pollution: buf
pollution: flags
int fstatat(int dirfd, const char* path, struct stat* buf, int flags); 

pollution: fd
pollution: times
int futimens(int fd, const struct timespec times[2]); 

pollution: path
pollution: st
int lstat(const char* restrict path, struct stat* restrict st); 

pollution: getumask
mode_t getumask(void); 

pollution: path
pollution: mode
int mkdir(const char* path, mode_t mode); 

pollution: dirfd
pollution: path
pollution: mode
int mkdirat(int dirfd, const char* path, mode_t mode); 

pollution: path
pollution: st
int stat(const char* restrict path, struct stat* restrict st); 

pollution: mask
mode_t umask(mode_t mask); 

pollution: path
pollution: times
pollution: utimens
int utimens(const char* path, const struct timespec times[2]); 

pollution: dirfd
pollution: path
pollution: times
pollution: flags
int utimensat(int dirfd, const char* path, const struct timespec times[2], int flags);