filesize in GNU c

[byenary]

Hello,

can sombody explain me how do get a filesize using gnu C.
getfilesize() does not seem to be present...

Grts

[Banfa]

opern the file in binary mode using fopen
goto the end of the file using fseek
get the location of the file pointer (which is at the end of the file so this will be the file size) using ftell
close the file using fclose