struct problem and general C question

First question, whats wrong with this stucture:

Code:

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#include "edit.h"

struct file_info {
  int buffer[BUFSIZE];
  int position;
  char charAt;
} *file;

int displayFile(FILE *fp)
{
  file = malloc(sizeof * file);

  return 0;
}

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It says there needs to be a semicolon somewhere, but I have that.
My second question: In c, is there a place within a function before or after something that you cannot declare variables? I tried declaring an int right after a malloc statement above it, and it was giving me undefined indentifier problems. Are there any general rules about declaration that I should know/are different than in c++? Thanks a lot.

if you mean [BUFSIZ] defined in stdio.h then it doesn't have a E like in your code unless you defined it.also

Code:

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file = malloc(sizeof * file);

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should be

Code:

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file=malloc(sizeof(struct file_info));

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Code:

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file = malloc(sizeof *file);

file = malloc(sizeof(struct file_info));

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both are correct

Quote:

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Originally posted by viaxd

Code:

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file = malloc(sizeof *file);

file = malloc(sizeof(struct file_info));

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both are correct

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You don't have to put parenthesis around the *file?

Quote:

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You don't have to put parenthesis around the *file?

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no you don't

no, I have BUFSIZE defined in edit.h. I was wondering about basic c declaration requierments, such as, is it legal to define a variable after something like this:

Code:

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int a;
 int charty[80];
charty = gets(charty);
int g;  //this didn't seem to compile.

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and other things that are/are not allowed. Thanks.

> int g; //this didn't seem to compile.
That's because it appeared after a statement, and C doesn't (yet) allow declarations anywhere in the code (unlike say C++)

so if I have a statement, the declarations MUST come before it? Is there a good solid book to learn all this from? Any recommendations?

> Are there any general rules about declaration that I should know/are different than in c++?
http://david.tribble.com/text/cdiffs.htm