The difference between macro and function (from C and pointer)

Source: Internet
Author: User

Macro is typeless and execute faster than funtion, becaus of the overhead of calling and returnning of Function,but macro Would increase the size of program due to many time's substitution,as well as the side effect of macro may cause unexpect Ed Results,to avoid this, you ' d better make the arguments bracketed as possible as you can,on the contrary, the result of function is more predicted.

Macro:d efinitine commom argument, little funtion such as Max,min,

Function:specific Module OR operation

The difference between macro and function (from C and pointer)

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