统计中文文本字数 运行后无结果

int count;
char c;
FILE *fp;
fp=fopen("number.txt","r");
if(fp==NULL)
    {
         printf("Can't open the file!\n");
         exit(0);
    }
while(!feof(fp))
{
    count=0;
    while ((c=fgetc(fp))!= '\n')
    {
        if (c < 0)
        count++;
    }
}
fclose(fp);
printf("%d\n", count / 2);

!='\n'
改成!=EOF

陷入死循环了