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这问题,有时候是个困扰,抽空梳理一遍。
signed char->unsgned char:%c->%c 0->127(对应范围)
char->int:%c->%d->%c,‘A‘->65(可打印字符表对应)
short int->int:%d->%d,100->100(对应,反向操作若超出范围,循环读取对应)
short int->unsinged int:%u->%d,(对应,反向操作若超出范围,循环读取对应)
unsigned int->int:%u->%d,4294967295->2147483647(对应范围)
signed -128~127
unsigned char 0~127
char -128~127 (一般机器=signed char)
short int -32768~32767
unsigned short int 0~65535
int (signed int) -2147483648~2147483647
unsigned int 0~4294967295
C语言里int,unsigned int,shor int...转换输出问题
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原文地址:http://www.cnblogs.com/langdexuming/p/4253542.html