basic question
I'm new to C....
Could someone explain why this won't work.....
for (int=0; i<MAXSIZE;i++)
if you place the int in the brackets you get a type error....
The normal way works....
int i;
for (i=0;i<MAXSIZE;i++)
Just wondering.....
Thx for any help.....
You can't use int because it is a C keyword. If you declare a variable like this
int int;
how would the compiler know if you were referring to the variable int later in the program. long, double, float, char are keywords as well. There are many others, but you should get the idea.
>for (int=0; i<MAXSIZE;i++)
You get a type error because there is a data type, but no identifier to go with it. int = 0 will flag an error but int i = 0 will work fine.
However, C89 doesn't support declaring a variable in the for loop as C99 and C++ can do.
for ( int i = 0; i < MAXSIZE; i++ ) /* This will flag an error */
Until compilers start conforming to the new C standard you will have to declare your counter variable before the for loop at the start of the block.
-PreludeCode:int main ( void ) { int i; for ( int = 0; i < MAXSIZE; i++ ) { /* Do loop stuff } return EXIT_SUCCESS; }
My best code is written with the delete key.
> int i;
> for ( int = 0; i < MAXSIZE; i++ )
You mean:
for( i = 0; i < MAXSIZE; i++ )
Don't you hate typos?
Quzah.
Hope is the first step on the road to disappointment.
>Don't you hate typos?
Very much so
-Prelude
My best code is written with the delete key.
yea, you can just do this in C++ not in C. in C you could only declare a variable at the very beginning of your whole code.
>in C you could only declare a variable at the very beginning of your whole code
That's not entirely correct, in C you can declare a variable at the beginning of any block. The following code is perfectly legal.
-PreludeCode:#include <stdio.h> #include <stdlib.h> int main ( void ) { int i = 0; for ( i = 0; i < 5; i++ ) { int j = i; printf ( "%d, %d\n", i, j ); } return EXIT_SUCCESS; }
My best code is written with the delete key.
