__swap16_x        116 sys/endian.h   	__uint16_t __swap16_x = (x);					\
__swap16_x        118 sys/endian.h   	__builtin_constant_p(x) ? __swap16gen(__swap16_x) :		\
__swap16_x        119 sys/endian.h   	    __swap16md(__swap16_x);					\