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/*
* Reverse name from stdin.
* This is free and unencumbered software released into the public domain.
*/
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include "stack.h"
int main()
{
stack *s = mkstack();
char c, *p;
while ((c = getchar()) != EOF) {
p = malloc(sizeof(char *));
*p = isspace(c) ? 32 : c;
stack_push(s, p);
}
while (!stack_empty(s) && *(char *) stack_top(s) == 32) {
p = stack_pop(s);
free(p);
}
c = 32;
while (!stack_empty(s)) {
p = stack_pop(s);
putchar(c == 32 ? toupper(c = *p) : tolower(c = *p));
free(p);
}
putchar(10);
return 0;
}
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