Function rsmpeg::ffi::av_dirname

pub unsafe extern "C" fn av_dirname(path: *mut i8) -> *const i8

Thread safe dirname. @param path the string to parse, on DOS both \ and / are considered separators. @return A pointer to a string that’s the parent directory of path. If path is a NULL pointer or points to an empty string, a pointer to a string “.” is returned. @note the function may modify the contents of the path, so copies should be passed.