HelenOS sources
#ifndef USB_HIDUT_KBD_KEY
#define USB_HIDUT_KBD_KEY(name, usage_id, letter, letter_caps, letter_mod1, letter_mod2)
#endif
#define __NONPRINT(name, usage_id) \
USB_HIDUT_KBD_KEY(name, usage_id, 0, 0, 0, 0)
USB_HIDUT_KBD_KEY(A, 0x04, 'a', 'A', 0, 0);
USB_HIDUT_KBD_KEY(B, 0x05, 'b', 'B', 0, 0);
USB_HIDUT_KBD_KEY(C, 0x06, 'c', 'C', 0, 0);
USB_HIDUT_KBD_KEY(D, 0x07, 'd', 'D', 0, 0);
USB_HIDUT_KBD_KEY(E, 0x08, 'e', 'E', 0, 0);
USB_HIDUT_KBD_KEY(F, 0x09, 'f', 'F', 0, 0);
USB_HIDUT_KBD_KEY(G, 0x0A, 'g', 'G', 0, 0);
USB_HIDUT_KBD_KEY(H, 0x0B, 'h', 'H', 0, 0);
USB_HIDUT_KBD_KEY(I, 0x0C, 'i', 'I', 0, 0);
USB_HIDUT_KBD_KEY(J, 0x0D, 'j', 'J', 0, 0);
USB_HIDUT_KBD_KEY(K, 0x0E, 'k', 'K', 0, 0);
USB_HIDUT_KBD_KEY(L, 0x0F, 'l', 'L', 0, 0);
USB_HIDUT_KBD_KEY(M, 0x10, 'm', 'M', 0, 0);
USB_HIDUT_KBD_KEY(N, 0x11, 'n', 'N', 0, 0);
USB_HIDUT_KBD_KEY(O, 0x12, 'o', 'O', 0, 0);
USB_HIDUT_KBD_KEY(P, 0x13, 'p', 'P', 0, 0);
USB_HIDUT_KBD_KEY(Q, 0x14, 'q', 'Q', 0, 0);
USB_HIDUT_KBD_KEY(R, 0x15, 'r', 'R', 0, 0);
USB_HIDUT_KBD_KEY(S, 0x16, 's', 'S', 0, 0);
USB_HIDUT_KBD_KEY(T, 0x17, 't', 'T', 0, 0);
USB_HIDUT_KBD_KEY(U, 0x18, 'u', 'U', 0, 0);
USB_HIDUT_KBD_KEY(V, 0x19, 'v', 'V', 0, 0);
USB_HIDUT_KBD_KEY(W, 0x1A, 'w', 'W', 0, 0);
USB_HIDUT_KBD_KEY(X, 0x1B, 'x', 'X', 0, 0);
USB_HIDUT_KBD_KEY(Y, 0x1C, 'y', 'Y', 0, 0);
USB_HIDUT_KBD_KEY(Z, 0x1D, 'z', 'Z', 0, 0);
USB_HIDUT_KBD_KEY(1, 0x1E, '1', '!', 0, 0);
USB_HIDUT_KBD_KEY(2, 0x1F, '2', '@', 0, 0);
USB_HIDUT_KBD_KEY(3, 0x20, '3', '#', 0, 0);
USB_HIDUT_KBD_KEY(4, 0x21, '4', '$', 0, 0);
USB_HIDUT_KBD_KEY(5, 0x22, '5', '%', 0, 0);
USB_HIDUT_KBD_KEY(6, 0x23, '6', '^', 0, 0);
USB_HIDUT_KBD_KEY(7, 0x24, '7', '&', 0, 0);
USB_HIDUT_KBD_KEY(8, 0x25, '8', '*', 0, 0);
USB_HIDUT_KBD_KEY(9, 0x26, '9', '(', 0, 0);
USB_HIDUT_KBD_KEY(0, 0x27, '0', ')', 0, 0);
USB_HIDUT_KBD_KEY(ENTER, 0x28, '\n', 0, 0, 0);
USB_HIDUT_KBD_KEY(ESCAPE, 0x29, 0, 0, 0, 0);
USB_HIDUT_KBD_KEY(BACKSPACE, 0x2A, '\b', 0, 0, 0);
USB_HIDUT_KBD_KEY(TAB, 0x2B, '\t', 0, 0, 0);
USB_HIDUT_KBD_KEY(SPACE, 0x2C, ' ', 0, 0, 0);
USB_HIDUT_KBD_KEY(DASH, 0x2D, '-', '_', 0, 0);
USB_HIDUT_KBD_KEY(EQUALS, 0x2E, '=', '+', 0, 0);
USB_HIDUT_KBD_KEY(LEFT_BRACKET, 0x2F, '[', '{', 0, 0);
USB_HIDUT_KBD_KEY(RIGHT_BRACKET, 0x30, ']', '}', 0, 0);
USB_HIDUT_KBD_KEY(BACKSLASH, 0x31, '\\', '|', 0, 0);
USB_HIDUT_KBD_KEY(HASH, 0x32, '#', '~', 0, 0);
USB_HIDUT_KBD_KEY(SEMICOLON, 0x33, ';', ':', 0, 0);
USB_HIDUT_KBD_KEY(APOSTROPHE, 0x34, '\'', '"', 0, 0);
USB_HIDUT_KBD_KEY(GRAVE_ACCENT, 0x35, '`', '~', 0, 0);
USB_HIDUT_KBD_KEY(COMMA, 0x36, ',', '<', 0, 0);
USB_HIDUT_KBD_KEY(PERIOD, 0x37, '.', '>', 0, 0);
USB_HIDUT_KBD_KEY(SLASH, 0x38, '/', '?', 0, 0);
USB_HIDUT_KBD_KEY(CAPS_LOCK, 0x39, 0, 0, 0, 0);
__NONPRINT(F1, 0x3A);
__NONPRINT(F2, 0x3B);
__NONPRINT(F3, 0x3C);
__NONPRINT(F4, 0x3D);
__NONPRINT(F5, 0x3E);
__NONPRINT(F6, 0x3F);
__NONPRINT(F7, 0x40);
__NONPRINT(F8, 0x41);
__NONPRINT(F9, 0x42);
__NONPRINT(F10, 0x43);
__NONPRINT(F11, 0x44);
__NONPRINT(F12, 0x45);
__NONPRINT(PRINT_SCREEN, 0x46);
__NONPRINT(SCROLL_LOCK, 0x47);
__NONPRINT(PAUSE, 0x48);
__NONPRINT(INSERT, 0x49);
__NONPRINT(HOME, 0x4A);
__NONPRINT(PAGE_UP, 0x4B);
__NONPRINT(DELETE, 0x4C);
__NONPRINT(END, 0x4D);
__NONPRINT(PAGE_DOWN, 0x4E);
__NONPRINT(RIGHT_ARROW, 0x4F);
__NONPRINT(LEFT_ARROW, 0x50);
__NONPRINT(DOWN_ARROW, 0x51);
__NONPRINT(UP_ARROW, 0x52);
#undef __NONPRINT
HelenOS homepage, sources at GitHub