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I have replied to a similar one before, take a look here: Solving the main function in C language
Simply speaking, P2 is a macro. This macro is for compatibility with older versions of compilers. For details, please see this post I answered.
Isn’t this function overloading?
int_string_copy should be the name of the overloaded function. P1 and P2 are probably macros. For example:
int_string_copy
P1
P2
#define P1(type, var) (type var)
I have replied to a similar one before, take a look here:
Solving the main function in C language
Simply speaking, P2 is a macro. This macro is for compatibility with older versions of compilers. For details, please see this post I answered.
Isn’t this function overloading?
int_string_copy
should be the name of the overloaded function.P1
andP2
are probably macros. For example: