diff-beginning-of-file-and-junk

diff-beginning-of-file-and-junk is a compiled Lisp function in `diff-mode.el'.

(diff-beginning-of-file-and-junk)

Go to the beginning of file-related diff-info.
This is like `diff-beginning-of-file' except it tries to skip back over leading
data such as "Index: ..." and such.