-2
我有這個C函數:如何將二進制argv轉換爲字符串?
void sysexCallback(byte command, byte argc, byte *argv)
{
...
}
,我想轉換argv[0]
(二進制),以簡單的字符串。我嘗試了諸如:
char v[10];
strcpy(v,argv[0]);
但是,這給了我一個錯誤:
Arduino/hardware/tools/avr/avr/include/string.h:126:14: error: initializing argument 2 of 'char* strcpy(char*, const char*)' [-fpermissive]
http://meta.stackexchange.com/questions/66377/what-is-the -XY-問題 – 2014-10-29 04:37:13