Man Linux: Main Page

Section #0, Posix (C Library Header Files)

aio.h - asynchronous input and output (REALTIME)
assert.h - verify program assertion
complex.h - complex arithmetic
cpio.h - cpio archive values
ctype.h - character types
dirent.h - format of directory entries
dlfcn.h - dynamic linking
errno.h - system error numbers
fcntl.h - file control options
fenv.h - floating-point environment
float.h - floating types
fmtmsg.h - message display structures
fnmatch.h - filename-matching types
ftw.h - file tree traversal
glob.h - pathname pattern-matching types
grp.h - group structure
iconv.h - codeset conversion facility
net/if.h - sockets local interfaces
arpa/inet.h - definitions for internet operations
netinet/in.h - Internet address family
inttypes.h - fixed size integer types
iso646.h - alternative spellings
langinfo.h - language information constants
libgen.h - definitions for pattern matching functions
limits.h - implementation-defined constants
locale.h - category macros
math.h - mathematical declarations
monetary.h - monetary types
mqueue.h - message queues (REALTIME)
ndbm.h - definitions for ndbm database operations
netdb.h - definitions for network database operations
nl_types.h - data types
poll.h - definitions for the poll() function
pthread.h - threads
pwd.h - password structure
regex.h - regular expression matching types
sched.h - execution scheduling (REALTIME)
search.h - search tables
semaphore.h - semaphores (REALTIME)
setjmp.h - stack environment declarations
signal.h - signals
spawn.h - spawn (ADVANCED REALTIME)
stdarg.h - handle variable argument list
stdbool.h - boolean type and values
stddef.h - standard type definitions
stdint.h - integer types
stdio.h - standard buffered input/output
stdlib.h - standard library definitions
string.h - string operations
strings.h - string operations
stropts.h - STREAMS interface (STREAMS)
sys/ipc.h - XSI interprocess communication access structure
syslog.h - definitions for system error logging
sys/mman.h - memory management declarations
sys/msg.h - XSI message queue structures
sys/resource.h - definitions for XSI resource operations
sys/select.h - select types
sys/sem.h - XSI semaphore facility
sys/shm.h - XSI shared memory facility
sys/socket.h - main sockets header
sys/stat.h - data returned by the stat() function
sys/statvfs.h - VFS File System information structure
sys/timeb.h - additional definitions for date and time
sys/time.h - time types
sys/times.h - file access and modification times structure
sys/types.h - data types
sys/uio.h - definitions for vector I/O operations
sys/un.h - definitions for UNIX domain sockets
sys/utsname.h - system name structure
sys/wait.h - declarations for waiting
tar.h - extended tar definitions
netinet/tcp.h - definitions for the Internet Transmission Control
termios.h - define values for termios
tgmath.h - type-generic macros
sys/timeb.h - additional definitions for date and time
time.h - time types
sys/times.h - file access and modification times structure
trace.h - tracing
sys/types.h - data types
ucontext.h - user context
sys/uio.h - definitions for vector I/O operations
ulimit.h - ulimit commands
sys/un.h - definitions for UNIX domain sockets
unistd.h - standard symbolic constants and types
utime.h - access and modification times structure
utmpx.h - user accounting database definitions
sys/utsname.h - system name structure
sys/wait.h - declarations for waiting
wchar.h - wide-character handling
wctype.h - wide-character classification and mapping utilities
wordexp.h - word-expansion types