"parameter name omitted" error message?

[lingjun]

Hi,
I am having problems with this program. I keep on getting the following error messages:


testing.c: In function `next_month':
testing.c:25: error: parameter name omitted
testing.c:27: error: syntax error before "mnth"

My code is:

#include <stdio.h>
 
enum month {jan=0, feb, mar, apr, may, jun, jul, aug, sep, oct, nov, dec};
 
typedef enum month mnth;
 
mnth next_month(int);
 
int main(void) 
{
int x;
mnth k;
 
printf("Enter. ");
scanf("%d", x);
 
k = (next_month(x));
 
printf("%s", k);
 
return 0;
 
 
 
mnth next_month(int)
{ 
return ((mnth) (((int) mnth +1 % 12));
}
 
 

Thanks!

[Banfa]

line 25 you define an int parameter without naming it (only C++ and C99(?) can have anonymous parameters).

Then at line 27 you treat the type mnth as though it is a variable when you try mnth + 1

[donbock]

You are missing the closing bracket for the main function.