hex 516 src/isdn/Q921.c static const char hex[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; hex 525 src/isdn/Q921.c buf[pos++] = hex[(in[offset] & 0xF0) >> 4]; hex 526 src/isdn/Q921.c buf[pos++] = hex[(in[offset++] & 0x0F)];