use stdint.h rather than hand guessing the underlying size

--- a/tryulong32.c
+++ /dev/null
@@ -1,11 +0,0 @@
-main()
-{
-  unsigned long u;
-  u = 1;
-  u += u; u += u; u += u; u += u; u += u; u += u; u += u; u += u;
-  u += u; u += u; u += u; u += u; u += u; u += u; u += u; u += u;
-  u += u; u += u; u += u; u += u; u += u; u += u; u += u; u += u;
-  u += u; u += u; u += u; u += u; u += u; u += u; u += u; u += u;
-  if (!u) _exit(0);
-  _exit(1);
-}
--- a/tryulong64.c
+++ /dev/null
@@ -1,11 +0,0 @@
-main()
-{
-  unsigned long u;
-  u = 1;
-  u += u; u += u; u += u; u += u; u += u; u += u; u += u; u += u;
-  u += u; u += u; u += u; u += u; u += u; u += u; u += u; u += u;
-  u += u; u += u; u += u; u += u; u += u; u += u; u += u; u += u;
-  u += u; u += u; u += u; u += u; u += u; u += u; u += u; u += u;
-  if (!u) _exit(1);
-  _exit(0);
-}
--- a/uint32.h1
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef UINT32_H
-#define UINT32_H
-
-typedef unsigned int uint32;
-
-extern void uint32_pack(char *,uint32);
-extern void uint32_pack_big(char *,uint32);
-extern void uint32_unpack(const char *,uint32 *);
-extern void uint32_unpack_big(const char *,uint32 *);
-
-#endif
--- a/uint32.h2
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef UINT32_H
-#define UINT32_H
-
-typedef unsigned long uint32;
-
-extern void uint32_pack(char *,uint32);
-extern void uint32_pack_big(char *,uint32);
-extern void uint32_unpack(const char *,uint32 *);
-extern void uint32_unpack_big(const char *,uint32 *);
-
-#endif
--- a/uint64.h1
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef UINT64_H
-#define UINT64_H
-
-/* sysdep: -ulong64 */
-
-typedef unsigned long long uint64;
-
-#endif
--- a/uint64.h2
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef UINT64_H
-#define UINT64_H
-
-/* sysdep: +ulong64 */
-
-typedef unsigned long uint64;
-
-#endif
--- /dev/null
+++ b/uint32.h
@@ -0,0 +1,12 @@
+#ifndef UINT32_H
+#define UINT32_H
+
+#include <stdint.h>
+typedef uint32_t uint32;
+
+extern void uint32_pack(char *,uint32);
+extern void uint32_pack_big(char *,uint32);
+extern void uint32_unpack(const char *,uint32 *);
+extern void uint32_unpack_big(const char *,uint32 *);
+
+#endif
--- /dev/null
+++ b/uint64.h
@@ -0,0 +1,8 @@
+#ifndef UINT64_H
+#define UINT64_H
+
+#include <stdint.h>
+
+typedef uint64_t uint64;
+
+#endif
--- a/Makefile
+++ b/Makefile
@@ -788,13 +788,6 @@ uint16_unpack.o: \
 compile uint16_unpack.c uint16.h
 	./compile uint16_unpack.c
 
-uint32.h: \
-tryulong32.c compile load uint32.h1 uint32.h2
-	( ( ./compile tryulong32.c && ./load tryulong32 && \
-	./tryulong32 ) >/dev/null 2>&1 \
-	&& cat uint32.h2 || cat uint32.h1 ) > uint32.h
-	rm -f tryulong32.o tryulong32
-
 uint32_pack.o: \
 compile uint32_pack.c uint32.h
 	./compile uint32_pack.c
@@ -803,10 +796,6 @@ uint32_unpack.o: \
 compile uint32_unpack.c uint32.h
 	./compile uint32_unpack.c
 
-uint64.h: \
-choose compile load tryulong64.c uint64.h1 uint64.h2
-	./choose clr tryulong64 uint64.h1 uint64.h2 > uint64.h
-
 unix.a: \
 makelib alloc.o alloc_re.o buffer.o buffer_0.o buffer_1.o buffer_2.o \
 buffer_copy.o buffer_get.o buffer_put.o env.o error.o error_str.o \