/* For errno -> error conversion. An error's index is the corresponding
 * errno value (minus 1). */
struct {
    char* errname;
    char* errmesg;
} errors[] = {
    { "EPERM", "operation not permitted" },
    { "ENOENT", "no such file or directory" },
    { "ESRCH", "no such process" },
    { "EINTR", "interrupted system call" },
    { "EIO", "input/output error" },
    { "ENXIO", "no such device/address" },
    { "E2BIG", "argument list too long" },
    { "ENOEXEC", "exec format error" },
    { "EBADF", "bad file number" },
    { "ECHILD", "no child process" },
    { "EAGAIN", "try again" },
    { "ENOMEM", "not enough memory" },
    { "EACCES", "permission denied" },
    { "EFAULT", "bad address" },
    { "ENOTBLK", "block device required" },
    { "EBUSY", "device/resource is busy" },
    { "EEXIST", "file exists already" },
    { "EXDEV", "cross-device link" },
    { "ENODEV", "no such device" },
    { "ENOTDIR", "not a directory" },
    { "EISDIR", "is a directory" },
    { "EINVAL", "invalid argument" },
    { "ENFILE", "file table overflow" },
    { "EMFILE", "too many open files" },
    { "ENOTTY", "not a typewriter" }, /* What the hell??? */
    { "ETXTBSY", "text file is busy" },
    { "EFBIG", "file too large" },
    { "ENOSPC", "not enough/no disk space" },
    { "ESPIPE", "illegal seek" },
    { "EROFS", "read-only file system" },
    { "EMLINK", "too many links" },
    { "EPIPE",  "broken pipe" },
    { NULL, NULL }
};