Macros Vs typedef

[sridhard2406]

Hi All,
What is basic difference using macors and typedef in C program

Thanks
Sridhar.D

[weaknessforcats]

A typedef just renames an already existing type. If all your macro does is provide an alias for a type, then the macro and the typedef are identical functionally.

typedef  int NUMBER;

#define NUMBER  int

However, a macro can be used to represent blocks of code which a typedef cannot.

[sridhard2406]

Thanks for your reply