get_filename

Returns a pointer to the filename portion of a path.

Description

char *get_filename(const char *path);
Finds out the filename portion of a completely specified file path. Both `\' and `/' are recognized as directory separators under DOS and Windows. However, only `/' is recognized as directory separator under other platforms. Example: 
      get_executable_name(name, sizeof(name));
      allegro_message("Running `%s'\n", get_filename(name));
Note that Allegro won't perform any IO operations during the verification. This means that if you have `/a/path/like/this/', which doesn't have a filename, the function will return a pointer to the trailing null character. However, if you have `/a/path/like/this', Allegro will return a pointer to `this', even if it is a valid directory.
Returns a pointer to the portion of `path' where the filename starts, or the beginning of `path' if no valid filename is found (eg. you are processing a path with backslashes under Unix).
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