Function npy_bswap2

numpy/core/src/common/lowlevel_strided_loops.h:477–481

byte swapping functions */

/* byte swapping functions */
static inline npy_uint16
npy_bswap2(npy_uint16 x)
{
    return ((x & 0xffu) << 8) | (x >> 8);
}

/*
 * treat as int16 and byteswap unaligned memory,