%c
转换说明符将变量的内容输出为单个字符。%d
说明符将其解释为整数。
#include <stdio.h>
int main(void)
{
char first = 'T';
char second = 63;
printf("The first example as a letter looks like this - %c\n", first);
printf("The first example as a number looks like this - %d\n", first);
printf("The second example as a letter looks like this - %c\n", second);
printf("The second example as a number looks like this - %d\n", second);
return 0;
}