@comment signal.h
@comment POSIX.1
@deftypevr Macro int SIGUSR1
-@end deftypevr
@comment signal.h
@comment POSIX.1
-@deftypevr Macro int SIGUSR2
+@deftypevrx Macro int SIGUSR2
@cindex user signals
The @code{SIGUSR1} and @code{SIGUSR2} signals are set aside for you to
use any way you want. They're useful for simple interprocess