huge commit

2026/cscg/misc/CS_Sript_Time/readflag.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/sendfile.h>
+
+void main() {
+    struct stat buf;
+    int fd = open("/flag", O_RDONLY);
+    if (fd < 0) {
+        return;
+    }
+    fstat(fd, &buf);
+    sendfile(1, fd, 0, buf.st_size);
+}