getchr
#define GETCHR() (--icnt < 0 ? getchr() : *iptr++)
static unsigned char getchr(void);
return (getchr());
return (getchr());
return (getchr());
int getchr(void);
c = getchr();
c = getchr();
char p = getchr();
static int getchr(void);
char p = getchr();
static int getchr(void);