Initial data commit

Task/Secure-temporary-file/C/secure-temporary-file-1.c

@@ -0,0 +1,14 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void)
+{
+  FILE *fh = tmpfile(); /* file is automatically deleted when program exits */
+  /* do stuff with stream "fh" */
+  fclose(fh);
+  /* The C standard library also has a tmpnam() function to create a file
+    for you to open later. But you should not use it because someone else might
+    be able to open the file from the time it is created by this function to the
+    time you open it. */
+  return 0;
+}

Task/Secure-temporary-file/C/secure-temporary-file-2.c

@@ -0,0 +1,12 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void)
+{
+  char filename[] = "/tmp/prefixXXXXXX";
+  int fd = mkstemp(filename);
+  puts(filename);
+  /* do stuff with file descriptor "fd" */
+  close(fd);
+  return 0;
+}