ASCII转换为数字ASCII字符用C [英] Convert ASCII number to ASCII Character in C

问题描述

在C是有没有办法转换类型为int到相应的ASCII字符作为一个字符的ASCII值？

In C is there a way to convert an ASCII value typed as an int into the the corresponding ASCII character as a char?

推荐答案

如果 I 是 INT ，然后

char c = i;

使得它字符。你可能想增加一个检查该值＆LT; 128 如果它来自不受信任的来源。文件ctype.h＆GT; ，如果您的系统上（见@Steve杰索普的这最好用 isascii 从＆LT完成这个答案的评论）。

makes it a char. You might want to add a check that the value is <128 if it comes from an untrusted source. This is best done with isascii from <ctype.h>, if available on your system (see @Steve Jessop's comment to this answer).

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