Constructors

int or void * brk(void *addr);

int close(int fd);

void exit(int status);

int ftruncate(int fd, off_t length);

void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t pgoffset);

int openat(int fd, const char *pathname, int flags, mode_t mode);

ssize_t read(int fd, void *buf, size_t count);

ssize_t readv(int fd, const struct iovec *iov, int iovcnt);

ssize_t write(int fd, const void *buf, size_t count);

ssize_t writev(int fd, const struct iovec *iov, int iovcnt);