first_nibble      774 src/punutil/cardutil.c       unsigned char first_nibble      = (code & 0xf00) >> 8;
first_nibble      777 src/punutil/cardutil.c       unsigned char to_write          = (first_nibble << 4) | second_nibble;
first_nibble      785 src/punutil/cardutil.c       unsigned char first_nibble      = writer_state -> residue;
first_nibble      788 src/punutil/cardutil.c       unsigned int to_write           = (first_nibble << 4) | second_nibble;