Common Linux header files

<Assert. h>: ansi c. Assert (expression) <glib. h>: GCC. GTK, the basic library of gnome, provides many useful functions, such as data structure operation functions. <Dirent. h>: GCC. Folder operation function. Struct dirent, struct Dir, opendir (), closedir (), readdir (), readdir64 (), etc. <ctype. h>: ansi c. Character Test function. Isdigit (), islower (), etc. <errno. h>: ansi c. Checking the error code errno is an important way to debug the program. <Getopt. h>: process command line parameters. Getopt () ------------------------- common Linux header files: POSIX standard-defined header files <dirent. h> directory item <fcntl. h> file Control <fnmatch. h> file name matching type <glob. h> path name pattern matching type <GRP. h> group file <netdb. h> Network Database Operations <PWD. h> Password File <RegEx. h> Regular Expression <tar. h> tar archive value <termios. h> terminal I/O <unistd. h> symbolic constant <utime. h> file time <wordexp. h> character extension type ------------------------- <ARPA/inet. h> Internet definition <net/if. h> socket Local interface <netinet/in. h> Internet address family <netinet/TCP. h> definition of Transmission Control Protocol ----- -------------------- <Sys/Mman. h> memory management statement <sys/select. h> select function <sys/socket. h> socket excuse <sys/STAT. h> File status <sys/times. h> process time <sys/types. h> Basic System Data Type <sys/UN. h> Unix domain socket definition <sys/utsname. h> system name <sys/Wait. h> Process Control -------------------------------- POSIX-defined xsi extension header file <cpio. h> cpio archive value <dlfcn. h> dynamic link <fmtmsg. h> Message Display Structure <FTW. h> file tree roaming <iconv. h> code set conversion application <langinfo. h> Language Information constant <libgen. h> schema matching function definition <monetary. h> currency type <NDB M. h> database operation <nl_types.h> message Category <poll. h> round robin function <search. h> Search table <strings. h> string operation <syslog. h> System Error Log <ucontext. h> User context <ulimit. h> User restrictions <utmpx. h> User Account Database ----------------------------- <sys/IPC. h> IPC (Named Pipe) <sys/MSG. h> Message Queue <sys/resource. h> resource operation <sys/SEM. h> semaphores <sys/SHM. h> shared storage <sys/statvfs. h> File System Information <sys/time. h> time type <sys/timeb. h> additional date and time definitions <sys/uio. h> vector I/O operations ------------------------------ POSIX-defined optional Headers File <AIO. h> asynchronous I/O <mqueue. h> Message Queue <pthread. h> thread <sched. h> execute scheduling <semaphore. h> semaphores <spawn. h> real-time spawn interface <stropts. h> xsi streams interface <trace. h> event tracking <! -- [If! Supportlists] --> 3. Overview of C/C ++ header files C # include <assert. h> // set the insertion point # include <ctype. h> // Character Processing # include <errno. h> // defines the error code # include <float. h> // floating point number processing # include <iso646.h> // macros corresponding to various operators # include <limits. h> // defines the constant with the highest values of various data types # include <locale. h> // define the localized C function # include <math. h> // define mathematical functions # include <setjmp. h> // supports Exception Handling # include <signal. h> // signal Mechanism support # include <stdarg. h> // supported by the variable parameter list # include <stddef. h> // common constant # include <stdio. h> // define the input/output functions # include <stdlib. h> // define miscellaneous functions and memory allocation functions # include <string. h> // string processing # include <time. h> // define the time function # include <wchar. h> // wide character processing and input/output # include <wctype. h> // wide character classification traditional C ++ # include <fstream. h> // use <fstream> # include <iomanip. h> // use <iomainip> # include <iostream. h> // use <iostream> # include <strstrea. h> // This class is no longer supported, use stringstream in <sstream> ------------------------------ Standard C ++ # include <algorithm> // STL general algorithm # include <bitset> // STL bit set container # include <cctype>/Character handling # include <cerrno> // defining error codes # include <cfloat> // floating point processing # include <ciso646> // macros corresponding to various operators # include <climits> // define various the most valuable constant of the Data Type # include <clocale> // defines the localization function # include <cmath> // defines the mathematical function # include <complex> // plural class # include <csignal>/ /signal Mechanism support # include <csetjmp> // Exception Handling Support # include <cstdarg> // Variable Parameter List support # include <cstddef> // common constants # include <cstdio>/ /define input/output functions # include <cstdlib> // define miscellaneous functions and memory allocation functions # include <cstring> // string processing # include <ctime> // define time-related function # include <cwchar> // wide character processing and input/output # include <cwctype> // wide character classification # include <deque> // STL double-end queue container # include <exception> // exception handling class # include <fstream> // file input/output # include <functional> // STL defines operation functions (instead of operators) # include <limits> // defines the most valuable constants of various data types # include <list> // STL linear list container # include <locale> // localized specific information # include <map>/ /STL ing container # include <memory> // memory allocation by STL via distributor # include <New> // dynamic memory allocation # include <numeric> // common STL numeric operations # include <iomanip> // parameterized input/output # include <IOS> // Basic Input/Output support # include <iosfwd> // pre-declaration used by the input/output system # include <iostream> // data stream input/output # include <istream> // basic input stream # include <iterator> // STL iterator # include <ostream> // Basic output stream # include <queue> // STL queue container # include <set> // STL collection container # include <sstream> // string-based stream # include <stack> // STL stack container # include <stdexcept> // standard exception class # include <streambuf> // underlying input/output support # include <string> // string class # include <typeinfo> // type during running information # include <utility> // STL universal template class # include <valarray> // operations on arrays containing values # include <vector> // added by STL dynamic array container -------------------------------- c99 part # include <complex. h> // complex number processing # include <fenv. h> // floating point environment # include <inttypes. h> // integer format conversion # include <stdbool. h> // Boolean environment # include <stdint. h> // integer environment # include <tgmath. h> // general mathematical macros