In my application, I want to define a macro as following:
#define aa(bb) asm("MOV bb, B")
where the bb in the instruction is the argument transfered by macro aa, I have tried the #, ##, but the complier tell me that's wrong! How can I?
My C envirnment support K&R C 2nd Edition!
Fri, 11 Feb 2005 22:29:14 GMT
Jeremy Yallo #2 / 2
How to transfer a Argument in the macro
* qinjie | In my application, I want to define a macro as following: | | #define aa(bb) asm("MOV bb, B") | | where the bb in the instruction is the argument transfered by macro aa, | I have tried the #, ##, but the complier tell me that's wrong! How can | I?
You can take advantage of the fact that adjacent string literals are concatenated during compilation to write:
How to transfer a Argument in the macro