The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/expat_config.h


$ cat -n /usr/include/x86_64-linux-gnu/expat_config.h

     1	/* expat_config.h.  Generated from expat_config.h.in by configure.  */
     2	/* expat_config.h.in.  Generated from configure.ac by autoheader.  */
     3	
     4	#ifndef EXPAT_CONFIG_H
     5	#define EXPAT_CONFIG_H 1
     6	
     7	/* Define if building universal (internal helper macro) */
     8	/* #undef AC_APPLE_UNIVERSAL_BUILD */
     9	
    10	/* 1234 = LILENDIAN, 4321 = BIGENDIAN */
    11	#define BYTEORDER 1234
    12	
    13	/* Define to 1 if you have the `arc4random' function. */
    14	/* #undef HAVE_ARC4RANDOM */
    15	
    16	/* Define to 1 if you have the `arc4random_buf' function. */
    17	#define HAVE_ARC4RANDOM_BUF 1
    18	
    19	/* define if the compiler supports basic C++11 syntax */
    20	#define HAVE_CXX11 1
    21	
    22	/* Define to 1 if you have the <dlfcn.h> header file. */
    23	#define HAVE_DLFCN_H 1
    24	
    25	/* Define to 1 if you have the <fcntl.h> header file. */
    26	#define HAVE_FCNTL_H 1
    27	
    28	/* Define to 1 if you have the `getpagesize' function. */
    29	#define HAVE_GETPAGESIZE 1
    30	
    31	/* Define to 1 if you have the `getrandom' function. */
    32	#define HAVE_GETRANDOM 1
    33	
    34	/* Define to 1 if you have the <inttypes.h> header file. */
    35	#define HAVE_INTTYPES_H 1
    36	
    37	/* Define to 1 if you have the `bsd' library (-lbsd). */
    38	/* #undef HAVE_LIBBSD */
    39	
    40	/* Define to 1 if you have a working `mmap' system call. */
    41	#define HAVE_MMAP 1
    42	
    43	/* Define to 1 if you have the <stdint.h> header file. */
    44	#define HAVE_STDINT_H 1
    45	
    46	/* Define to 1 if you have the <stdio.h> header file. */
    47	#define HAVE_STDIO_H 1
    48	
    49	/* Define to 1 if you have the <stdlib.h> header file. */
    50	#define HAVE_STDLIB_H 1
    51	
    52	/* Define to 1 if you have the <strings.h> header file. */
    53	#define HAVE_STRINGS_H 1
    54	
    55	/* Define to 1 if you have the <string.h> header file. */
    56	#define HAVE_STRING_H 1
    57	
    58	/* Define to 1 if you have `syscall' and `SYS_getrandom'. */
    59	#define HAVE_SYSCALL_GETRANDOM 1
    60	
    61	/* Define to 1 if you have the <sys/param.h> header file. */
    62	#define HAVE_SYS_PARAM_H 1
    63	
    64	/* Define to 1 if you have the <sys/stat.h> header file. */
    65	#define HAVE_SYS_STAT_H 1
    66	
    67	/* Define to 1 if you have the <sys/types.h> header file. */
    68	#define HAVE_SYS_TYPES_H 1
    69	
    70	/* Define to 1 if you have the <unistd.h> header file. */
    71	#define HAVE_UNISTD_H 1
    72	
    73	/* Define to the sub-directory where libtool stores uninstalled libraries. */
    74	#define LT_OBJDIR ".libs/"
    75	
    76	/* Name of package */
    77	#define PACKAGE "expat"
    78	
    79	/* Define to the address where bug reports for this package should be sent. */
    80	#define PACKAGE_BUGREPORT "https://github.com/libexpat/libexpat/issues"
    81	
    82	/* Define to the full name of this package. */
    83	#define PACKAGE_NAME "expat"
    84	
    85	/* Define to the full name and version of this package. */
    86	#define PACKAGE_STRING "expat 2.6.1"
    87	
    88	/* Define to the one symbol short name of this package. */
    89	#define PACKAGE_TARNAME "expat"
    90	
    91	/* Define to the home page for this package. */
    92	#define PACKAGE_URL ""
    93	
    94	/* Define to the version of this package. */
    95	#define PACKAGE_VERSION "2.6.1"
    96	
    97	/* Define to 1 if all of the C90 standard headers exist (not just the ones
    98	   required in a freestanding environment). This macro is provided for
    99	   backward compatibility; new code need not use it. */
   100	#define STDC_HEADERS 1
   101	
   102	/* Version number of package */
   103	#define VERSION "2.6.1"
   104	
   105	/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
   106	   significant byte first (like Motorola and SPARC, unlike Intel). */
   107	#if defined AC_APPLE_UNIVERSAL_BUILD
   108	# if defined __BIG_ENDIAN__
   109	#  define WORDS_BIGENDIAN 1
   110	# endif
   111	#else
   112	# ifndef WORDS_BIGENDIAN
   113	/* #  undef WORDS_BIGENDIAN */
   114	# endif
   115	#endif
   116	
   117	/* Define to allow retrieving the byte offsets for attribute names and values.
   118	   */
   119	/* #undef XML_ATTR_INFO */
   120	
   121	/* Define to specify how much context to retain around the current parse
   122	   point, 0 to disable. */
   123	#define XML_CONTEXT_BYTES 1024
   124	
   125	/* Define to include code reading entropy from `/dev/urandom'. */
   126	#define XML_DEV_URANDOM 1
   127	
   128	/* Define to make parameter entity parsing functionality available. */
   129	#define XML_DTD 1
   130	
   131	/* Define as 1/0 to enable/disable support for general entities. */
   132	#define XML_GE 1
   133	
   134	/* Define to make XML Namespaces functionality available. */
   135	#define XML_NS 1
   136	
   137	/* Define to empty if `const' does not conform to ANSI C. */
   138	/* #undef const */
   139	
   140	/* Define to `long int' if <sys/types.h> does not define. */
   141	/* #undef off_t */
   142	
   143	/* Define to `unsigned int' if <sys/types.h> does not define. */
   144	/* #undef size_t */
   145	
   146	#endif // ndef EXPAT_CONFIG_H