#include <stdio.h>
#include <string.h>
int main(void)
{
char str[] = "how are you";
char *p = NULL;
while ((p = strrchr(str, ' ')) != NULL)
{
printf ("%s ", (p + 1));
*p = '\0';
}
printf ("%s\n", str);
return 0;
}
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