static void outnum(int num)
{ static int lastSize = 0;
num = printf("%d", num);
if(num < lastSize) {
fputmc(' ', lastSize - num, stdout);
fputmc('\b', lastSize - num, stdout);
lastSize = num;
} else {
if(num > 0)
fputmc('\b', num, stdout);
}
fflush(stdout);
}
void clrcmdline(char * const str, const unsigned orgx, const unsigned orgy)
{
if(str) {
goxy(orgx, orgy);
fputmc(' ', strlen(str) + 1, stdout);
strset(str, 0);
}
goxy(orgx, orgy);
}
void clrcmdline(char * const str, const int maxlen
, const unsigned orgx, const unsigned orgy)
{
assert(str);
goxy(orgx, orgy);
fputmc(' ', strlen(str) + 1, stdout);
memset(str, 0, maxlen);
goxy(orgx, orgy);
}
