#include <guestfs.h> /* link with -lguestfs */ main () { guestfs_h *g = guestfs_create (); guestfs_add_drive_ro (g, "fedora-19.img"); guestfs_launch (g); guestfs_mount (g, "/dev/fedora/root"); guestfs_download (g, "/etc/fedora-release", "/dev/stdout"); guestfs_close (g); }