Hello,

gcc 4.1.2 c89

I am reviewing some code and I have come across the following function. I have never seen a function declared like this before.

There are no data types for the paraemeters.

My best guess is that the function is using a list of data types separated by semi-colons. The return type seems to be returning a function with those parameters. However, the read function is not defined anywhere.

What is the advantage and purpose of declaring a function like this?

Many thanks for any advice,

int my_read(fd, ptr, cnt)
   int fd;
   char *ptr;
   unsigned cnt;
{
   printf("Read\n");
   return(read(fd, ptr, cnt));
}