add verbosity control, first part

fake-values.c

@@ -5,10 +5,13 @@
 #include  <stdio.h>
 #include  "funcs.h"
 
+int verbosity;
+
 int main(int argc, char *argv[])
 {
 fprintf(stderr, "fake values - %s %s\n", __DATE__, __TIME__);
 
+verbosity = 1;
 printf("%d\n", random1000(0));
 
 return 0;

funcs.c

@@ -7,9 +7,13 @@
 
 #include  "funcs.h"
 
+extern int verbosity;
+
 int random1000(int foo)
 {
 int     value;
+if (verbosity)
+    fprintf(stderr, "%s(%d)\n", __func__, foo);
 value = rand() % 1000;
 return value;
 }