--- /dev/null
+/*
+ * Copyright (C) 1998, 1999 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef ISC_BOOLEAN_H
+#define ISC_BOOLEAN_H 1
+
+#include <isc/lang.h>
+
+ISC_LANG_BEGINDECLS
+
+typedef enum { isc_boolean_false = 0, isc_boolean_true = 1 } isc_boolean_t;
+
+#define ISC_FALSE isc_boolean_false
+#define ISC_TRUE isc_boolean_true
+
+ISC_LANG_ENDDECLS
+
+#endif /* ISC_BOOLEAN_H */
--- /dev/null
+/*
+ * Copyright (C) 1999 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef ISC_INT_H
+#define ISC_INT_H 1
+
+#include <isc/lang.h>
+
+ISC_LANG_BEGINDECLS
+
+typedef char isc_int8_t;
+typedef unsigned char isc_uint8_t;
+typedef short isc_int16_t;
+typedef unsigned short isc_uint16_t;
+typedef int isc_int32_t;
+typedef unsigned int isc_uint32_t;
+typedef long long isc_int64_t;
+typedef unsigned long long isc_uint64_t;
+
+ISC_LANG_ENDDECLS
+
+#endif /* ISC_INT_H */
--- /dev/null
+/*
+ * Copyright (C) 1999 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef ISC_LANG_H
+#define ISC_LANG_H 1
+
+#ifdef __cplusplus
+#define ISC_LANG_BEGINDECLS extern "C" {
+#define ISC_LANG_ENDDECLS }
+#else
+#define ISC_LANG_BEGINDECLS
+#define ISC_LANG_ENDDECLS
+#endif
+
+#endif /* ISC_LANG_H */
--- /dev/null
+/*
+ * Copyright (C) 1997, 1999 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef ISC_LIST_H
+#define ISC_LIST_H 1
+
+#define ISC_LIST(type) struct { type *head, *tail; }
+#define ISC_LIST_INIT(list) \
+ do { (list).head = NULL; (list).tail = NULL; } while (0)
+
+#define ISC_LINK(type) struct { type *prev, *next; }
+#define ISC_LINK_INIT(elt, link) \
+ do { \
+ (elt)->link.prev = (void *)(-1); \
+ (elt)->link.next = (void *)(-1); \
+ } while (0)
+#define ISC_LINK_LINKED(elt, link) ((elt)->link.prev != (void *)(-1))
+
+#define ISC_LIST_HEAD(list) ((list).head)
+#define ISC_LIST_TAIL(list) ((list).tail)
+#define ISC_LIST_EMPTY(list) ((list).head == NULL)
+
+#define ISC_LIST_PREPEND(list, elt, link) \
+ do { \
+ if ((list).head != NULL) \
+ (list).head->link.prev = (elt); \
+ else \
+ (list).tail = (elt); \
+ (elt)->link.prev = NULL; \
+ (elt)->link.next = (list).head; \
+ (list).head = (elt); \
+ } while (0)
+
+#define ISC_LIST_APPEND(list, elt, link) \
+ do { \
+ if ((list).tail != NULL) \
+ (list).tail->link.next = (elt); \
+ else \
+ (list).head = (elt); \
+ (elt)->link.prev = (list).tail; \
+ (elt)->link.next = NULL; \
+ (list).tail = (elt); \
+ } while (0)
+
+#define ISC_LIST_UNLINK(list, elt, link) \
+ do { \
+ if ((elt)->link.next != NULL) \
+ (elt)->link.next->link.prev = (elt)->link.prev; \
+ else \
+ (list).tail = (elt)->link.prev; \
+ if ((elt)->link.prev != NULL) \
+ (elt)->link.prev->link.next = (elt)->link.next; \
+ else \
+ (list).head = (elt)->link.next; \
+ (elt)->link.prev = (void *)(-1); \
+ (elt)->link.next = (void *)(-1); \
+ } while (0)
+
+#define ISC_LIST_PREV(elt, link) ((elt)->link.prev)
+#define ISC_LIST_NEXT(elt, link) ((elt)->link.next)
+
+#define ISC_LIST_INSERTBEFORE(list, before, elt, link) \
+ do { \
+ if ((before)->link.prev == NULL) \
+ ISC_LIST_PREPEND(list, elt, link); \
+ else { \
+ (elt)->link.prev = (before)->link.prev; \
+ (before)->link.prev = (elt); \
+ (elt)->link.prev->link.next = (elt); \
+ (elt)->link.next = (before); \
+ } \
+ } while (0)
+
+#define ISC_LIST_INSERTAFTER(list, after, elt, link) \
+ do { \
+ if ((after)->link.next == NULL) \
+ ISC_LIST_APPEND(list, elt, link); \
+ else { \
+ (elt)->link.next = (after)->link.next; \
+ (after)->link.next = (elt); \
+ (elt)->link.next->link.prev = (elt); \
+ (elt)->link.prev = (after); \
+ } \
+ } while (0)
+
+#define ISC_LIST_APPENDLIST(list1, list2, link) \
+ do { \
+ if (ISC_LIST_EMPTY(list1)) \
+ (list1) = (list2); \
+ else if (!ISC_LIST_EMPTY(list2)) { \
+ (list1).tail->link.next = (list2).head; \
+ (list2).head->link.prev = (list1).tail; \
+ (list1).tail = (list2).tail; \
+ (list2).head = NULL; \
+ (list2).tail = NULL; \
+ } \
+ } while (0)
+
+#define ISC_LIST_ENQUEUE(list, elt, link) ISC_LIST_APPEND(list, elt, link)
+#define ISC_LIST_DEQUEUE(list, elt, link) ISC_LIST_UNLINK(list, elt, link)
+
+#endif /* ISC_LIST_H */
--- /dev/null
+/*
+ * Copyright (C) 1998, 1999 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef ISC_RESULT_H
+#define ISC_RESULT_H 1
+
+#include <isc/boolean.h>
+#include <isc/lang.h>
+#include <isc/list.h>
+#include <isc/types.h>
+
+ISC_LANG_BEGINDECLS
+
+#define ISC_R_SUCCESS 0
+#define ISC_R_NOMEMORY 1
+#define ISC_R_TIMEDOUT 2
+#define ISC_R_NOTHREADS 3
+#define ISC_R_ADDRNOTAVAIL 4
+#define ISC_R_ADDRINUSE 5
+#define ISC_R_NOPERM 6
+#define ISC_R_NOCONN 7
+#define ISC_R_NETUNREACH 8
+#define ISC_R_HOSTUNREACH 9
+#define ISC_R_NETDOWN 10
+#define ISC_R_HOSTDOWN 11
+#define ISC_R_CONNREFUSED 12
+#define ISC_R_NORESOURCES 13 /* not enough resources */
+#define ISC_R_EOF 14 /* end of file */
+#define ISC_R_BOUND 15 /* already bound */
+#define ISC_R_TASKDONE 16 /* task is done */
+#define ISC_R_LOCKBUSY 17
+#define ISC_R_EXISTS 18
+#define ISC_R_NOSPACE 19 /* ran out of space */
+#define ISC_R_CANCELED 20
+#define ISC_R_TASKNOSEND 21
+#define ISC_R_SHUTTINGDOWN 22 /* shutting down */
+#define ISC_R_NOTFOUND 23
+#define ISC_R_UNEXPECTEDEND 24 /* unexpected end of input */
+#define ISC_R_FAILURE 25 /* generic failure */
+#define ISC_R_IOERROR 26
+#define ISC_R_NOTIMPLEMENTED 27
+#define ISC_R_UNBALANCED 28
+#define ISC_R_NOMORE 29
+#define ISC_R_INVALIDFILE 30
+#define ISC_R_BADBASE64 31
+#define ISC_R_UNEXPECTEDTOKEN 32
+#define ISC_R_QUOTA 33
+#define ISC_R_UNEXPECTED 34
+#define ISC_R_ALREADYRUNNING 35
+#define ISC_R_HOSTUNKNOWN 36
+#define ISC_R_VERSIONMISMATCH 37
+#define ISC_R_PROTOCOLERROR 38
+#define ISC_R_INVALIDARG 39
+#define ISC_R_NOTCONNECTED 40
+#define ISC_R_NOTYET 41
+
+#define ISC_R_NRESULTS 42 /* Number of results */
+
+char * isc_result_totext(isc_result_t);
+isc_result_t isc_result_register(unsigned int base,
+ unsigned int nresults,
+ char **text,
+ isc_msgcat_t *msgcat,
+ int set);
+
+ISC_LANG_ENDDECLS
+
+#endif /* ISC_RESULT_H */
--- /dev/null
+/*
+ * Copyright (C) 1999 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef ISC_TYPES_H
+#define ISC_TYPES_H 1
+
+#include <isc/int.h>
+#include <isc/boolean.h>
+#include <isc/list.h>
+
+/***
+ *** Core Types.
+ ***/
+
+typedef unsigned int isc_result_t;
+typedef struct isc_mem isc_mem_t;
+typedef struct isc_mempool isc_mempool_t;
+typedef struct isc_msgcat isc_msgcat_t;
+typedef unsigned int isc_eventtype_t;
+typedef struct isc_event isc_event_t;
+typedef ISC_LIST(struct isc_event) isc_eventlist_t;
+typedef struct isc_task isc_task_t;
+typedef struct isc_taskmgr isc_taskmgr_t;
+typedef struct isc_rwlock isc_rwlock_t;
+
+typedef void (*isc_taskaction_t)(isc_task_t *, isc_event_t *);
+
+#endif /* ISC_TYPES_H */