我是新手c程序员,我在我的程序循环中遇到问题,循环在字符“字母”中创建字母'A'到'Z',但循环不停止在字母'Z'它只是无限期地继续下去,有人可以帮助我吗?For循环忽略测试表达式
在此先感谢
#include <stdio.h>
#include <stdlib.h>
FILE * fptr;
int main()
{
char letter;
int i;
fptr = fopen("C:\\Users\\Wim\\Documents\\C\\random read write to
file\\letters.txt", "w+");
if (fptr == 0)
{
printf("There was a error while opening the file! ");
exit(1);
}
for (letter = 'A'; letter <= 'Z'; letter++)//This is the offending part of the code!
{
fputc(letter, fptr);
}
puts ("You just wrote the letters A through Z");
fseek(fptr, -1, SEEK_END);
printf("Here is the file backwards :\n");
for (i= 26; i > 0;i++)
{
letter = fgetc(fptr);
fseek(fptr, -2, SEEK_CUR);
printf("The next letter is %c .\n", letter);
}
fclose(fptr);
return 0;
}
你真的有在目录名换行? – Barmar 2014-08-27 21:44:55
@Barmar我认为它的目录名称和换行空间的副作用 – TerryG 2014-08-27 21:54:21
SO不会在代码块中执行换行。希望他没有使用文字处理器来编辑他的节目源。 – Barmar 2014-08-27 21:56:02