Playing with freopen to redirect stdout.

ex24_iofunctions05.c

@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include "dbg.h"
+
+
+int main(int argc, char *argv[])
+{
+    FILE *fp;
+    char *filename;
+    check(argc == 2, "You must provide a filename for redirecting stdout.");
+
+    filename = argv[1];
+    fp = freopen(filename, "w", stdout);
+    check(fp != NULL, "Failed to reopen stdout as \"%s\"", filename);
+
+    printf("This should be written to the file you specified!\n");
+
+
+    return 0;
+
+error:
+    return 1;
+}