(Lisp_Object prompt, Lisp_Object def, Lisp_Object require_match)
{
Lisp_Object args[4], result;
- unsigned char *s;
+ char *s;
int len;
int count = SPECPDL_INDEX ();
if (STRINGP (prompt))
{
- s = SDATA (prompt);
+ s = SSDATA (prompt);
len = strlen (s);
if (len >= 2 && s[len - 2] == ':' && s[len - 1] == ' ')
len = len - 2;