+/* I_GRP:
+ * This symbol, if defined, indicates to the C program that it should
+ * include <grp.h>.
+ */
+/* GRPASSWD:
+ * This symbol, if defined, indicates to the C program that struct group
+ * in <grp.h> contains gr_passwd.
+ */
+#$i_grp I_GRP /**/
+#$d_grpasswd GRPASSWD /**/
+
+/* I_NDBM:
+ * This symbol, if defined, indicates that <ndbm.h> exists and should
+ * be included.
+ */
+/* I_GDBMNDBM:
+ * This symbol, if defined, indicates that <gdbm/ndbm.h> exists and should
+ * be included. This was the location of the ndbm.h compatibility file
+ * in RedHat 7.1.
+ */
+/* I_GDBM_NDBM:
+ * This symbol, if defined, indicates that <gdbm-ndbm.h> exists and should
+ * be included. This is the location of the ndbm.h compatibility file
+ * in Debian 4.0.
+ */
+/* NDBM_H_USES_PROTOTYPES:
+ * This symbol, if defined, indicates that <ndbm.h> uses real ANSI C
+ * prototypes instead of K&R style function declarations without any
+ * parameter information. While ANSI C prototypes are supported in C++,
+ * K&R style function declarations will yield errors.
+ */
+/* GDBMNDBM_H_USES_PROTOTYPES:
+ * This symbol, if defined, indicates that <gdbm/ndbm.h> uses real ANSI C
+ * prototypes instead of K&R style function declarations without any
+ * parameter information. While ANSI C prototypes are supported in C++,
+ * K&R style function declarations will yield errors.
+ */
+/* GDBM_NDBM_H_USES_PROTOTYPES:
+ * This symbol, if defined, indicates that <gdbm-ndbm.h> uses real ANSI C
+ * prototypes instead of K&R style function declarations without any
+ * parameter information. While ANSI C prototypes are supported in C++,
+ * K&R style function declarations will yield errors.
+ */
+#$i_ndbm I_NDBM /**/
+#$i_gdbmndbm I_GDBMNDBM /**/
+#$i_gdbm_ndbm I_GDBM_NDBM /**/
+#$d_ndbm_h_uses_prototypes NDBM_H_USES_PROTOTYPES /**/
+#$d_gdbmndbm_h_uses_prototypes GDBMNDBM_H_USES_PROTOTYPES /**/
+#$d_gdbm_ndbm_h_uses_prototypes GDBM_NDBM_H_USES_PROTOTYPES /**/
+
+/* I_NETDB:
+ * This symbol, if defined, indicates that <netdb.h> exists and
+ * should be included.
+ */
+#$i_netdb I_NETDB /**/
+
+/* I_NET_ERRNO:
+ * This symbol, if defined, indicates that <net/errno.h> exists and
+ * should be included.
+ */
+#$i_neterrno I_NET_ERRNO /**/
+
+/* I_PWD:
+ * This symbol, if defined, indicates to the C program that it should
+ * include <pwd.h>.
+ */
+/* PWQUOTA:
+ * This symbol, if defined, indicates to the C program that struct passwd
+ * contains pw_quota.
+ */
+/* PWAGE:
+ * This symbol, if defined, indicates to the C program that struct passwd
+ * contains pw_age.
+ */
+/* PWCHANGE:
+ * This symbol, if defined, indicates to the C program that struct passwd
+ * contains pw_change.
+ */
+/* PWCLASS:
+ * This symbol, if defined, indicates to the C program that struct passwd
+ * contains pw_class.
+ */
+/* PWEXPIRE:
+ * This symbol, if defined, indicates to the C program that struct passwd
+ * contains pw_expire.
+ */
+/* PWCOMMENT:
+ * This symbol, if defined, indicates to the C program that struct passwd
+ * contains pw_comment.
+ */
+/* PWGECOS:
+ * This symbol, if defined, indicates to the C program that struct passwd
+ * contains pw_gecos.
+ */
+/* PWPASSWD:
+ * This symbol, if defined, indicates to the C program that struct passwd
+ * contains pw_passwd.
+ */
+#$i_pwd I_PWD /**/
+#$d_pwquota PWQUOTA /**/
+#$d_pwage PWAGE /**/
+#$d_pwchange PWCHANGE /**/
+#$d_pwclass PWCLASS /**/
+#$d_pwexpire PWEXPIRE /**/
+#$d_pwcomment PWCOMMENT /**/
+#$d_pwgecos PWGECOS /**/
+#$d_pwpasswd PWPASSWD /**/
+
+/* I_SYSUIO:
+ * This symbol, if defined, indicates that <sys/uio.h> exists and
+ * should be included.
+ */
+#$i_sysuio I_SYSUIO /**/
+
+/* I_STDARG:
+ * This symbol, if defined, indicates that <stdarg.h> exists and should
+ * be included.
+ */
+/* I_VARARGS:
+ * This symbol, if defined, indicates to the C program that it should
+ * include <varargs.h>.
+ */
+#$i_stdarg I_STDARG /**/
+#$i_varargs I_VARARGS /**/
+
+/* Free_t:
+ * This variable contains the return type of free(). It is usually
+ * void, but occasionally int.
+ */
+/* Malloc_t:
+ * This symbol is the type of pointer returned by malloc and realloc.
+ */
+#define Malloc_t $malloctype /**/
+#define Free_t $freetype /**/
+
+/* PERL_MALLOC_WRAP:
+ * This symbol, if defined, indicates that we'd like malloc wrap checks.
+ */
+#$usemallocwrap PERL_MALLOC_WRAP /**/
+
+/* MYMALLOC:
+ * This symbol, if defined, indicates that we're using our own malloc.
+ */
+#$d_mymalloc MYMALLOC /**/
+
+/* CAN_PROTOTYPE:
+ * If defined, this macro indicates that the C compiler can handle
+ * function prototypes.
+ */
+/* _:
+ * This macro is used to declare function parameters for folks who want
+ * to make declarations with prototypes using a different style than
+ * the above macros. Use double parentheses. For example:
+ *
+ * int main _((int argc, char *argv[]));
+ */
+#$prototype CAN_PROTOTYPE /**/
+#ifdef CAN_PROTOTYPE
+#define _(args) args
+#else
+#define _(args) ()
+#endif
+
+/* SH_PATH:
+ * This symbol contains the full pathname to the shell used on this
+ * on this system to execute Bourne shell scripts. Usually, this will be
+ * /bin/sh, though it's possible that some systems will have /bin/ksh,
+ * /bin/pdksh, /bin/ash, /bin/bash, or even something such as
+ * D:/bin/sh.exe.
+ */
+#define SH_PATH "$sh" /**/
+
+/* SIG_NAME:
+ * This symbol contains a list of signal names in order of
+ * signal number. This is intended
+ * to be used as a static array initialization, like this:
+ * char *sig_name[] = { SIG_NAME };
+ * The signals in the list are separated with commas, and each signal
+ * is surrounded by double quotes. There is no leading SIG in the signal
+ * name, i.e. SIGQUIT is known as "QUIT".
+ * Gaps in the signal numbers (up to NSIG) are filled in with NUMnn,
+ * etc., where nn is the actual signal number (e.g. NUM37).
+ * The signal number for sig_name[i] is stored in sig_num[i].
+ * The last element is 0 to terminate the list with a NULL. This
+ * corresponds to the 0 at the end of the sig_name_init list.
+ * Note that this variable is initialized from the sig_name_init,
+ * not from sig_name (which is unused).
+ */
+/* SIG_NUM:
+ * This symbol contains a list of signal numbers, in the same order as the
+ * SIG_NAME list. It is suitable for static array initialization, as in:
+ * int sig_num[] = { SIG_NUM };
+ * The signals in the list are separated with commas, and the indices
+ * within that list and the SIG_NAME list match, so it's easy to compute
+ * the signal name from a number or vice versa at the price of a small
+ * dynamic linear lookup.
+ * Duplicates are allowed, but are moved to the end of the list.
+ * The signal number corresponding to sig_name[i] is sig_number[i].
+ * if (i < NSIG) then sig_number[i] == i.
+ * The last element is 0, corresponding to the 0 at the end of
+ * the sig_name_init list.
+ * Note that this variable is initialized from the sig_num_init,
+ * not from sig_num (which is unused).
+ */
+/* SIG_SIZE:
+ * This variable contains the number of elements of the SIG_NAME
+ * and SIG_NUM arrays, excluding the final NULL entry.