getch.h

Head file for getch.c. Get a character from the stdin, put it into a buffer (which has a size of BUFSIZE).

getch gets a character out of the buffer (if stdin is finished, an EOF is returned).

fgetch replaces stdin by a file.

ungetch puts back a character into the buffer.

#define BUFSIZE 100

int getch(void);
int fgetch(FILE *);
void ungetch(int);

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