#include <stdio.h>
#define IN 1
#define OUT 0
/* count lines, words, and characters in input */
main()
{
int c, nl, nw, nc, state;
state = OUT;
nl = nw = nc = 0;
while ((c = getchar()) != EOF) {
++nc;
if (c == '\n')
++nl;
if (c == ' '||c == '\n'||c = '\t')
state = OUT;
else if (state == OUT) {
state = IN;
++nw;
}
}
printf("%d %d %d\n", nl, nw, nc);
getch();
}
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报错：需要逻辑0或非0在main函数中，什么意思，编译软件问题？？