GetExtensionFileStatus
Returns the status of an extension, by filename.
native int GetExtensionFileStatus(const char[] name, char[] error = "", int maxlength = 0)
Parameters
const char[] name
Extension name (like "sdktools.ext").
char[] error
Optional error message buffer.
int maxlength
Length of optional error message buffer.
Return Value
int -2 if the extension was not found.
-1 if the extension was found but failed to load.
0 if the extension loaded but reported an error.
1 if the extension is running without error.