/** \file fd.h exported symbols from fd.c */
int write_all(int fd, const char *buf, size_t *len);
-int para_readv(int fd, struct iovec *iov, int iovcnt);
int file_exists(const char *);
int para_select(int n, fd_set *readfds, fd_set *writefds,
struct timeval *timeout_tv);
int para_munmap(void *start, size_t length);
int write_ok(int fd);
void valid_fd_012(void);
-int write_nonblock(int fd, const char *buf, size_t len,
- size_t max_bytes_per_write);
+int readv_nonblock(int fd, struct iovec *iov, int iovcnt, fd_set *rfds,
+ size_t *num_bytes);
+int read_nonblock(int fd, void *buf, size_t sz, fd_set *rfds, size_t *num_bytes);
+int read_pattern(int fd, const char *pattern, size_t bufsize, fd_set *rfds);
+int write_nonblock(int fd, const char *buf, size_t len);
int for_each_file_in_dir(const char *dirname,
int (*func)(const char *, void *), void *private_data);