diff --git a/examples/C/Makefile.am b/examples/C/Makefile.am
index 1b9911cb8..a265c04a4 100644
--- a/examples/C/Makefile.am
+++ b/examples/C/Makefile.am
@@ -17,9 +17,9 @@ AM_LDFLAGS = ${top_builddir}/liblib/libnetcdf.la
 # These are the netCDF-3 examples.
 check_PROGRAMS = simple_xy_wr simple_xy_rd sfc_pres_temp_wr	\
 sfc_pres_temp_rd pres_temp_4D_wr pres_temp_4D_rd format		\
-quick_large_files quick_small_files
+quick_large_files quick_small_files sfc_pres_temp_more
 
-TESTS = run_examples.sh format quick_large_files
+TESTS = run_examples.sh format quick_large_files quick_small_files
 
 # To build netcdf-4, or not to build netcdf-4, that is the question...
 if USE_HDF5
diff --git a/examples/C/quick_small_files.c b/examples/C/quick_small_files.c
index 1ffc5edfe..cf2f1379a 100644
--- a/examples/C/quick_small_files.c
+++ b/examples/C/quick_small_files.c
@@ -37,8 +37,9 @@ return NC_EXAMPLE_ERROR; \
 #define NUMVARS 2
 /* This dim len is the max size the first of two fixed size variables
    for an 8-byte type in classic format: int((2*31 - 4) / 8), that is,
-   2 GB minus a bit, on an 8 byte boundary. */
-#define DIM_LEN 268435455
+   2 GB minus a bit, on an 8 byte boundary. That number is
+   268435455. But this is the longest dim len which works. */
+#define DIM_LEN 268435440
 
 int
 main()
diff --git a/examples/C/sfc_pres_temp_more.c b/examples/C/sfc_pres_temp_more.c
index 1cd100ff0..a723257b0 100644
--- a/examples/C/sfc_pres_temp_more.c
+++ b/examples/C/sfc_pres_temp_more.c
@@ -9,9 +9,11 @@
  * pressure and temperatures, and stores additional metadata as
  * dimension variables, an attribute.
  *
- * @author Ed Hartnett 2006/03/25
+ * @author Ed Hartnett started 2006/03/25, finished 2019/7/2
  */
 #include <netcdf.h>
+#include <stdlib.h>
+#include <string.h>
 
 #define FILE_NAME "sfc_pres_temp_more.nc"
 #define NDIMS 2
@@ -113,9 +115,9 @@ main()
         return retval;
 
     /* Write the phoney data. */
-    if ((retval = nc_put_var_float(ncid, pres_varid, pres_out)))
+    if ((retval = nc_put_var_float(ncid, pres_varid, (float *)pres_out)))
         return retval;
-    if ((retval = nc_put_var_float(ncid, temp_varid, temp_out)))
+    if ((retval = nc_put_var_float(ncid, temp_varid, (float *)temp_out)))
         return retval;
 
     /* Close the file. */
@@ -132,16 +134,16 @@ main()
         return retval;
     if (!(att_in = malloc(len_in)))
         return NC_ENOMEM;
-    if (strcmp(att_in, data_poem))
+    if (strcmp(att_in, poem))
         error++;
     free(att_in);
     if (error)
         return -2;
 
     /* Read the data. */
-    if ((retval = nc_get_var_float(ncid, pres_varid, pres_in)))
+    if ((retval = nc_get_var_float(ncid, pres_varid, (float *)pres_in)))
         return retval;
-    if ((retval = nc_get_var_float(ncid, temp_varid, temp_in)))
+    if ((retval = nc_get_var_float(ncid, temp_varid, (float *)temp_in)))
         return retval;
 
     /* Check the data. */