C的基础问题

[jiniang]

现有char tz_data[]={0xc1,0xa0,0xc4,0x00,0x00,0x44,0x86,0x00,0xff,0x00}; 如何查找0xff在第几位？即0xff前面的字符的长度

[hz_yck]

int i = 0;
for( ; tz_data[i] != 0xff; ++i);

[sky198306]

楼上正解

[hai040]

2楼条件最好换成
i < sizeof(tz_data) && tz_data[i] != 0xff