7 files changed, 10 insertions, 3 deletions
diff --git a/nuttx/graphics/nxbe/nxbe_fbconfigure.c b/nuttx/graphics/nxbe/nxbe_fbconfigure.c
index fb3e51f6c..df6dbe0d9 100644
--- a/nuttx/graphics/nxbe/nxbe_fbconfigure.c
+++ b/nuttx/graphics/nxbe/nxbe_fbconfigure.c
@@ -39,6 +39,7 @@
 
 #include <nuttx/config.h>
 
+#include <stddef.h>
 #include <errno.h>
 #include <debug.h>
 
diff --git a/nuttx/graphics/nxbe/nxbe_lower.c b/nuttx/graphics/nxbe/nxbe_lower.c
index 334f50492..f2f160e83 100644
--- a/nuttx/graphics/nxbe/nxbe_lower.c
+++ b/nuttx/graphics/nxbe/nxbe_lower.c
@@ -39,6 +39,7 @@
 
 #include <nuttx/config.h>
 
+#include <stddef.h>
 #include <debug.h>
 
 #include <nuttx/nxglib.h>
diff --git a/nuttx/graphics/nxfonts/nxfonts_convert.c b/nuttx/graphics/nxfonts/nxfonts_convert.c
index 0599faa9b..ea8672c26 100644
--- a/nuttx/graphics/nxfonts/nxfonts_convert.c
+++ b/nuttx/graphics/nxfonts/nxfonts_convert.c
@@ -40,6 +40,7 @@
 #include <nuttx/config.h>
 
 #include <stdint.h>
+#include <stddef.h>
 #include <debug.h>
 
 #include <nuttx/nxglib.h>
@@ -145,7 +146,7 @@ int NXF_FUNCNAME(nxf_convert,NXFONTS_SUFFIX)
   FAR NXF_PIXEL_T *dptr;
   FAR const uint8_t *sptr;
   uint8_t bmbyte;
-  uint8_t bmbit;
+  int bmbit;
   int row;
   int col;
   int bmndx;
diff --git a/nuttx/graphics/nxfonts/nxfonts_getfont.c b/nuttx/graphics/nxfonts/nxfonts_getfont.c
index 9fcc57155..3c53cae7f 100644
--- a/nuttx/graphics/nxfonts/nxfonts_getfont.c
+++ b/nuttx/graphics/nxfonts/nxfonts_getfont.c
@@ -40,6 +40,7 @@
 #include <nuttx/config.h>
 
 #include <stdint.h>
+#include <stddef.h>
 #include <debug.h>
 
 #include <nuttx/nxfonts.h>
@@ -136,8 +137,8 @@ FAR const struct nx_font_s *nxf_getfontset(void)
 
 FAR const struct nx_fontbitmap_s *nxf_getbitmap(uint16_t ch)
 {
-  FAR const struct nx_fontset_s *set = nxf_getglyphset(ch);
-  FAR struct nx_fontbitmap_s *bm = NULL;
+  FAR const struct nx_fontset_s    *set = nxf_getglyphset(ch);
+  FAR const struct nx_fontbitmap_s *bm  = NULL;
 
   if (set)
     {
diff --git a/nuttx/graphics/nxsu/nx_kbdchin.c b/nuttx/graphics/nxsu/nx_kbdchin.c
index 03db76f48..51f4d8ce1 100644
--- a/nuttx/graphics/nxsu/nx_kbdchin.c
+++ b/nuttx/graphics/nxsu/nx_kbdchin.c
@@ -95,6 +95,7 @@ int nx_kbdchin(NXHANDLE handle, uint8_t ch)
     {
       wnd->cb->kbdin(wnd, 1, &ch, wnd->arg);
     }
+  return OK;
 }
 
 #endif /* CONFIG_NX_KBD */
diff --git a/nuttx/graphics/nxsu/nx_kbdin.c b/nuttx/graphics/nxsu/nx_kbdin.c
index 4a1b93d09..066c31c8e 100644
--- a/nuttx/graphics/nxsu/nx_kbdin.c
+++ b/nuttx/graphics/nxsu/nx_kbdin.c
@@ -94,6 +94,7 @@ int nx_kbdin(NXHANDLE handle, uint8_t nch, FAR const uint8_t *ch)
     {
       wnd->cb->kbdin(wnd, nch, ch, wnd->arg);
     }
+  return OK;
 }
 
 #endif /* CONFIG_NX_KBD */
diff --git a/nuttx/graphics/nxsu/nx_mousein.c b/nuttx/graphics/nxsu/nx_mousein.c
index d83da90b0..2d4c9bec9 100644
--- a/nuttx/graphics/nxsu/nx_mousein.c
+++ b/nuttx/graphics/nxsu/nx_mousein.c
@@ -194,6 +194,7 @@ int nx_mousein(NXHANDLE handle, nxgl_coord_t x, nxgl_coord_t y, uint8_t buttons)
             }
         }
     }
+  return OK;
 }
 
 #endif /* CONFIG_NX_MOUSE */