pollution: FILE
typedef struct __FILE FILE; 

pollution: bcrypt_newhash
int bcrypt_newhash(const char*, int, char*, size_t); 

pollution: bcrypt_checkpass
int bcrypt_checkpass(const char*, const char*); 

pollution: fgetpwent
struct passwd* fgetpwent(FILE*); 

pollution: fgetpwent_r
int fgetpwent_r(FILE* restrict, struct passwd* restrict, char* restrict, size_t, struct passwd** restrict); 

pollution: getpwent_r
int getpwent_r(struct passwd* restrict, char* restrict, size_t, struct passwd** restrict); 

pollution: scanpwent
int scanpwent(char* restrict, struct passwd* restrict); 

pollution: openpw
FILE* openpw(void);