C: printf 中的 ptrdiff_t 应该使用哪个字符? [英] C: Which character should be used for ptrdiff_t in printf?

问题描述

printf中的ptrdiff_t应该使用哪个字符?

Which character should be used for ptrdiff_t in printf?

C标准是否清楚地解释了如何在printf中打印ptrdiff_t?我还没找到.

Does C standard clearly explains how to print ptrdiff_t in printf? I haven't found any one.

int a = 1;
int b = 2;

int* pa = &a;
int* pb = &b;

ptrdiff_t diff = b - a;

printf("diff = %?", diff); // % what?

推荐答案

它是 %td.请参阅此处.

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