Added 'C_C++/magic.c'

C_C++/magic.c

@@ -0,0 +1,24 @@
+// @BAKE gcc $@ -o $*.out -lmagic
+#include <magic.h>
+#include <stddef.h> // for NULL
+
+magic_t my_mimetype_reader;
+
+signed main(int argc, char * argv[]) {
+    if (argc != 2) {
+        printf("%s <file>\n", argv[0]);
+        return 1;
+    }
+
+	my_mimetype_reader = magic_open(MAGIC_MIME_TYPE);
+	if (magic_load(my_mimetype_reader, NULL) == -1) { return 1; }
+
+    // It *is* a const char *; do not try to free it; copy it if you have to
+    const char * filename = magic_file(my_mimetype_reader, argv[1]);
+    if (filename == NULL) { return 1; }
+
+    puts(filename);
+
+	magic_close(my_mimetype_reader);
+    return 0;
+}