printd
printd(data, cnt);
printd(data, cnt);
printd(data, cnt);
extern void printd(unsigned char *, int);
printd(d, c);
printd = 0;
printd = 1;
printd = 1;
printd = 1;
printd = 1;
printd = 1;
int printd; /* force name to be printed */
printd = 1;
printd = 1;
if (printd)
printd = 0;