chr(4) - phpMan

FD_CLR (3)           - synchronous I/O multiplexing
FD_CLR (3p)          - synchronous I/O multiplexing
FD_ISSET (3)         - synchronous I/O multiplexing
FD_ISSET (3p)        - synchronous I/O multiplexing
FD_SET (3)           - synchronous I/O multiplexing
FD_SET (3p)          - synchronous I/O multiplexing
FD_ZERO (3)          - synchronous I/O multiplexing
FD_ZERO (3p)         - synchronous I/O multiplexing
_newselect (2)       - synchronous I/O multiplexing
adjtime (3)          - correct the time to synchronize the system clock
aio (7)              - POSIX asynchronous I/O overview
aio.h (0p)           - asynchronous input and output (REALTIME)
aio_cancel (3)       - cancel an outstanding asynchronous I/O request
aio_cancel (3p)      - cancel an asynchronous I/O request (REALTIME)
aio_error (3)        - get error status of asynchronous I/O operation
aio_error (3p)       - retrieve errors status for an asynchronous I/O operati...
aio_fsync (3)        - asynchronous file synchronization
aio_fsync (3p)       - asynchronous file synchronization (REALTIME)
aio_init (3)         - asynchronous I/O initialization
aio_read (3)         - asynchronous read
aio_read (3p)        - asynchronous read from a file (REALTIME)
aio_return (3)       - get return status of asynchronous I/O operation
aio_return (3p)      - retrieve return status of an asynchronous I/O operatio...
aio_suspend (3)      - wait for asynchronous I/O operation or timeout
aio_suspend (3p)     - wait for an asynchronous I/O request (REALTIME)
aio_write (3)        - asynchronous write
aio_write (3p)       - asynchronous write to a file (REALTIME)
chrony.conf (5)      - chronyd configuration file
chronyc (1)          - command-line interface for chrony daemon
chronyd (8)          - chrony daemon
chroot (1)           - run command or interactive shell with special root dir...
chroot (2)           - change root directory
chrt (1)             - manipulate the real-time attributes of a process
doveadm-backup (1)   - Dovecot's one-way mailbox synchronization utility
doveadm-sync (1)     - Dovecot's two-way mailbox synchronization utility
dsync (1)            - Dovecot's two-way mailbox synchronization utility
fdatasync (2)        - synchronize a file's in-core state with storage device
fdatasync (3p)       - synchronize the data of a file (REALTIME)
fsync (2)            - synchronize a file's in-core state with storage device
fsync (3p)           - synchronize changes to a file
gai_cancel (3)       - asynchronous network address and service translation
gai_error (3)        - asynchronous network address and service translation
gai_suspend (3)      - asynchronous network address and service translation
getaddrinfo_a (3)    - asynchronous network address and service translation
git-rev-list (1)     - Lists commit objects in reverse chronological order
io_cancel (2)        - cancel an outstanding asynchronous I/O operation
io_destroy (2)       - destroy an asynchronous I/O context
io_getevents (2)     - read asynchronous I/O events from the completion queue
io_setup (2)         - create an asynchronous I/O context
io_submit (2)        - submit asynchronous I/O blocks for processing
Mail::SpamAssassin::AsyncLoop (3pm) - scanner asynchronous event loop
memchr (3)           - scan memory for a character
memchr (3p)          - find byte in memory
memrchr (3)          - scan memory for a character
msync (2)            - synchronize a file with a memory map
msync (3p)           - synchronize memory with physical storage
ntpstat (1)          - Print NTP synchronisation status
pselect (2)          - synchronous I/O multiplexing
pselect (3p)         - synchronous I/O multiplexing
pselect6 (2)         - synchronous I/O multiplexing
pthread_barrier_wait (3p) - synchronize at a barrier (ADVANCED REALTIME THREADS)
rawmemchr (3)        - scan memory for a character
reposync (1)         - synchronize yum repositories to a local directory
rt_sigtimedwait (2)  - synchronously wait for queued signals
select (2)           - synchronous I/O multiplexing
select (3p)          - synchronous I/O multiplexing
select_tut (2)       - synchronous I/O multiplexing
sigevent (7)         - structure for notification from asynchronous routines
sigtimedwait (2)     - synchronously wait for queued signals
sigwaitinfo (2)      - synchronously wait for queued signals
strchr (3)           - locate character in string
strchr (3p)          - string scanning operation
strchrnul (3)        - locate character in string
strrchr (3)          - locate character in string
strrchr (3p)         - string scanning operation
sync (1)             - Synchronize cached writes to persistent storage
sync (8)             - synchronize data on disk with memory
wcschr (3)           - search a wide character in a wide-character string
wcschr (3p)          - wide-character string scanning operation
wcsrchr (3)          - search a wide character in a wide-character string
wcsrchr (3p)         - wide-character string scanning operation
wmemchr (3)          - search a wide character in a wide-character array
wmemchr (3p)         - find a wide character in memory