SwitchToEnglish.m

/* Trivial keyboard input layout to english switcher by Alexander V. Zhouravlev.
 * Compile it with gcc -framework Carbon -o SwitchToEnglish SwitchToEnglish.m */

#import <Carbon/Carbon.h>

int main (int argc, const char *argv[])
{
	TISInputSourceRef english = TISCopyInputSourceForLanguage(CFSTR("en-US"));
	if (!english)
		return 1;
	return ((noErr == TISSelectInputSource(english))?0:2);
}