taglinefilesource code
_ctmp14include/linux/ctype.hextern char _ctmp;
_ctmp31include/linux/ctype.h#define tolower(c) (_ctmp=c,isupper(_ctmp)?_ctmp-('A'-'a'):_ctmp)
_ctmp32include/linux/ctype.h#define toupper(c) (_ctmp=c,islower(_ctmp)?_ctmp-('a'-'A'):_ctmp)
_ctmp9lib/ctype.cchar _ctmp;