diff --git a/dtool/src/parser-inc/dirent.h b/dtool/src/parser-inc/dirent.h
new file mode 100644
index 0000000000..5c0877bfcd
--- /dev/null
+++ b/dtool/src/parser-inc/dirent.h
@@ -0,0 +1,3 @@
+typedef struct __dirstream DIR;
+struct dirent;
+typedef unsigned long ino_t;
diff --git a/dtool/src/parser-inc/sys/inotify.h b/dtool/src/parser-inc/sys/inotify.h
new file mode 100644
index 0000000000..52ef884e79
--- /dev/null
+++ b/dtool/src/parser-inc/sys/inotify.h
@@ -0,0 +1 @@
+struct inotify_event;
diff --git a/dtool/src/parser-inc/sys/ioctl.h b/dtool/src/parser-inc/sys/ioctl.h
new file mode 100644
index 0000000000..d57d62d983
--- /dev/null
+++ b/dtool/src/parser-inc/sys/ioctl.h
@@ -0,0 +1,3 @@
+struct winsize;
+struct termio;
+
diff --git a/dtool/src/parser-inc/sys/mman.h b/dtool/src/parser-inc/sys/mman.h
new file mode 100644
index 0000000000..c540c66b78
--- /dev/null
+++ b/dtool/src/parser-inc/sys/mman.h
@@ -0,0 +1,3 @@
+#include <sys/types.h>
+
+struct posix_typed_mem_info;
diff --git a/dtool/src/parser-inc/sys/select.h b/dtool/src/parser-inc/sys/select.h
new file mode 100644
index 0000000000..18a03a58e7
--- /dev/null
+++ b/dtool/src/parser-inc/sys/select.h
@@ -0,0 +1 @@
+#include <sys/time.h>
diff --git a/dtool/src/parser-inc/sys/sysinfo.h b/dtool/src/parser-inc/sys/sysinfo.h
new file mode 100644
index 0000000000..72e2bef1b2
--- /dev/null
+++ b/dtool/src/parser-inc/sys/sysinfo.h
@@ -0,0 +1 @@
+struct sysinfo;