Add some additional libsmbclient test programs.

testwrite: create or truncate a file and write to it.
teststat3: compare the results from smbc_stat() and smbc_fstat()

Derrell
(This used to be commit 5a4a7aec76)

examples/libsmbclient/testwrite.c

@@ -0,0 +1,69 @@
+#include <sys/types.h>
+#include <stdio.h> 
+#include <unistd.h>
+#include <string.h> 
+#include <time.h> 
+#include <errno.h>
+#include <libsmbclient.h> 
+#include "get_auth_data_fn.h"
+
+
+int main(int argc, char * argv[]) 
+{ 
+    int             i;
+    int             fd;
+    int             ret;
+    int             debug = 0;
+    int             mode = 0666;
+    int             savedErrno;
+    char            buffer[2048]; 
+    char            path[2048];
+    char *          p;
+    time_t          t0;
+    time_t          t1;
+    struct stat     st; 
+    
+    smbc_init(get_auth_data_fn, debug); 
+    
+    printf("CAUTION: This program will overwrite a file.  "
+           "Press ENTER to continue.");
+    fgets(buffer, sizeof(buffer), stdin);
+           
+
+    for (;;)
+    {
+        fprintf(stdout, "\nPath: ");
+        *path = '\0';
+        fgets(path, sizeof(path) - 1, stdin);
+        if (strlen(path) == 0)
+        {
+            return 0;
+        }
+
+        p = path + strlen(path) - 1;
+        if (*p == '\n')
+        {
+            *p = '\0';
+        }
+    
+        if ((fd = smbc_open(path, O_WRONLY | O_CREAT | O_TRUNC, 0)) < 0)
+        {
+            perror("smbc_open");
+            continue;
+        }
+
+        strcpy(buffer, "Hello world\n");
+
+        ret = smbc_write(fd, buffer, strlen(buffer));
+        savedErrno = errno;
+        smbc_close(fd);
+
+        if (ret < 0)
+        {
+            errno = savedErrno;
+            perror("write");
+        }
+    }
+
+    return 0; 
+}