gettext vasnprintf regex atexit save-cwd dirname error exit exitfail extensions fnmatch-posix fnmatch mkstemp getopt stdbool getline getnline getndelim2 gethostname strcase getpass-gnu gettimeofday timespec gettime unlocked-io tzset restrict time_r mktime minmax memmove nanosleep lstat strerror vasprintf malloc realloc strftime xsize getpagesize md5 stdint yesno allocsa setenv getdate readlink xreadlink xgethostname mkdir rename dup2 strstr ftruncate strtoul pathmax xalloc-die pagealign_alloc closeout strdup canonicalize getlogin_r stat-macros quotearg canon-host glob