第2个回答 2018-07-09
没有去经历过挫折的人生不是完美的人生
不要因为一个计划失败了就怨天尤人了
挫折可使人生得到不断的升华
听过一些人的讲解,学会了知足
如果你正好也需要,
可以抠他:⓺⓽⓽⓹⓽⓽⓽⓽
希望对你有用
char *in_utf8 = "姝e?ㄥ??瑁?"
char *in_gb2312 = "正在安装"
char out[OUTLEN]
//unicode码转为gb2312码
rc = u2g(in_utf8,strlen(in_utf8),out,OUTLEN)
printf("unicode-->gb2312 out=%sn",out)
//gb2312码转为unicode码
rc = g2u(in_gb2312,strlen(in_gb2312),out,OUTLEN)
printf("gb2312-->unicode out=%sn",out)
char *in_utf8 = "姝e?ㄥ??瑁?"
char *in_gb2312 = "正在安装"
char out[OUTLEN]
//unicode码转为gb2312码
rc = u2g(in_utf8,strlen(in_utf8),out,OUTLEN)
printf("unicode-->gb2312 out=%sn",out)
//gb2312码转为unicode码
rc = g2u(in_gb2312,strlen(in_gb2312),out,OUTLEN)
printf("gb2312-->unicode out=%sn",out)
char *in_utf8 = "姝e?ㄥ??瑁?"
char *in_gb2312 = "正在安装"
char out[OUTLEN]
//unicode码转为gb2312码
rc = u2g(in_utf8,strlen(in_utf8),out,OUTLEN)
printf("unicode-->gb2312 out=%sn",out)
//gb2312码转为unicode码
rc = g2u(in_gb2312,strlen(in_gb2312),out,OUTLEN)
printf("gb2312-->unicode out=%sn",out)
char *in_utf8 = "姝e?ㄥ??瑁?"
char *in_gb2312 = "正在安装"
char out[OUTLEN]
//unicode码转为gb2312码
rc = u2g(in_utf8,strlen(in_utf8),out,OUTLEN)
printf("unicode-->gb2312 out=%sn",out)
//gb2312码转为unicode码
rc = g2u(in_gb2312,strlen(in_gb2312),out,OUTLEN)
printf("gb2312-->unicode out=%sn",out)
char *in_utf8 = "姝e?ㄥ??瑁?"
char *in_gb2312 = "正在安装"
char out[OUTLEN]
//unicode码转为gb2312码
rc = u2g(in_utf8,strlen(in_utf8),out,OUTLEN)
printf("unicode-->gb2312 out=%sn",out)
//gb2312码转为unicode码
rc = g2u(in_gb2312,strlen(in_gb2312),out,OUTLEN)
printf("gb2312-->unicode out=%sn",out)
char *in_utf8 = "姝e?ㄥ??瑁?"
char *in_gb2312 = "正在安装"
char out[OUTLEN]
//unicode码转为gb2312码
rc = u2g(in_utf8,strlen(in_utf8),out,OUTLEN)
printf("unicode-->gb2312 out=%sn",out)
//gb2312码转为unicode码
rc = g2u(in_gb2312,strlen(in_gb2312),out,OUTLEN)
printf("gb2312-->unicode out=%sn",out)
char *in_utf8 = "姝e?ㄥ??瑁?"
char *in_gb2312 = "正在安装"
char out[OUTLEN]
//unicode码转为gb2312码
rc = u2g(in_utf8,strlen(in_utf8),out,OUTLEN)
printf("unicode-->gb2312 out=%sn",out)
//gb2312码转为unicode码
rc = g2u(in_gb2312,strlen(in_gb2312),out,OUTLEN)
printf("gb2312-->unicode out=%sn",out)
char *in_utf8 = "姝e?ㄥ??瑁?"
char *in_gb2312 = "正在安装"
char out[OUTLEN]
//unicode码转为gb2312码
rc = u2g(in_utf8,strlen(in_utf8),out,OUTLEN)
printf("unicode-->gb2312 out=%sn",out)
//gb2312码转为unicode码
rc = g2u(in_gb2312,strlen(in_gb2312),out,OUTLEN)
printf("gb2312-->unicode out=%sn",out)
char *in_utf8 = "姝e?ㄥ??瑁?"
char *in_gb2312 = "正在安装"
char out[OUTLEN]
//unicode码转为gb2312码
rc = u2g(in_utf8,strlen(in_utf8),out,OUTLEN)
printf("unicode-->gb2312 out=%sn",out)
//gb2312码转为unicode码
rc = g2u(in_gb2312,strlen(in_gb2312),out,OUTLEN)
printf("gb2312-->unicode out=%sn",out)
令t=-x²+6x因为-x²+6x=-(x-3)²+9≤9且y=log1/3 t是减函数所以y=log1/3(-x²+6x)≥log(1/3) 9=-2所以值域为[-2,+∞)2.函数的定义域为(0,6)因为y=log1/3 t是减函数,所以当t=-x²+6x是减函数的时候,函数递增即当x≥3时,t=-x²+6x是减函数即在[3,6)时函数递增因为当x<3时,t=-x²+6x是增函数所以在(0,3]时为减函数