#include "syscalls.h"

/* getchar:  simple buffered version */
int getchar(void)
{
    static char buf[BUFSIZ];
    static char *bufp = buf;
    static int n = 0;

    if (n == 0) {   /* buffer is empty */
        n = read(0, buf, sizeof buf);
        bufp = buf;
    }
    return (--n >= 0) ? (unsigned char) *bufp++ : EOF;
}