readdir
telldir
seekdir
+clock_gettime
closedir
dlopen
dlclose
mkstemp (a secure one!)
pread
pwrite
-getpass
+chown
+lchown
readline (the library)
inet_ntoa
inet_ntop
freeifaddrs
utime
utimes
+dup2
+link
+readlink
+symlink
+realpath
+poll
+setproctitle
Types:
bool
socklen_t
-uint_t
uint{8,16,32,64}_t
int{8,16,32,64}_t
intptr_t
+sig_atomic_t
+blksize_t
+blkcnt_t
Constants:
PATH_NAME_MAX
stdint.h
stdbool.h
+Optional C keywords:
+volatile
+
Prerequisites:
memset (for bzero)
syslog (for vsyslog)