Introduce and use small[u]int type. Changes in size:

-     79              0      28     107      6b libc/inet/rpc/create_xid.o
+     76              0      25     101      65 libc/inet/rpc/create_xid.o
-    126              0       4     130      82 libc/misc/assert/__assert.o
+    123              0       1     124      7c libc/misc/assert/__assert.o
-    648              4      24     676     2a4 libc/misc/internals/__uClibc_main.o
+    645              4      21     670     29e libc/misc/internals/__uClibc_main.o
-    230              0       4     234      ea libc/stdlib/abort.o
+    216              0       1     217      d9 libc/stdlib/abort.o
-    129              0       4     133      85 libc/termios/tcgetsid.o
+    126              0       1     127      7f libc/termios/tcgetsid.o

2 files changed, 2 insertions, 2 deletions

diff --git a/libc/stdlib/malloc/heap_debug.c b/libc/stdlib/malloc/heap_debug.c
index e83831d3a..a2a9f4ec1 100644
--- a/libc/stdlib/malloc/heap_debug.c
+++ b/libc/stdlib/malloc/heap_debug.c
@@ -49,7 +49,7 @@ __heap_dump_freelist (struct heap *heap)
 void
 __heap_dump (struct heap *heap, const char *str)
 {
-  static int recursed = 0;
+  static smallint recursed;
 
   if (! recursed)
     {
diff --git a/libc/stdlib/malloc/malloc.c b/libc/stdlib/malloc/malloc.c
index 770d7aea3..ce74c5608 100644
--- a/libc/stdlib/malloc/malloc.c
+++ b/libc/stdlib/malloc/malloc.c
@@ -184,7 +184,7 @@ malloc (size_t size)
 {
   void *mem;
 #ifdef MALLOC_DEBUGGING
-  static int debugging_initialized = 0;
+  static smallint debugging_initialized;
   if (! debugging_initialized)
     {
       debugging_initialized = 1;