#include "all.h" extern int cmdfd; Floatfamd(Float a, int b, int c, int d){	ulong x, m; 	x = (a + b) * c;	m = x % d;	x /= d;	if(m >= d / 2)		x++;	return x;} ulongfdf(Float a, int d){	ulong x, m; 	m = a % d;	x = a / d;	if(m >= d / 2)		x++;	return x;} longbelong(char *s){	uchar *x; 	x = (uchar *)s;	return (x[0] << 24) + (x[1] << 16) + (x[2] << 8) + x[3]; } voidpanic(char *fmt, ...){	char buf[8192], *s;	va_list arg;  	s = buf;	s += sprint(s, "%s %s %d: ", progname, procname, getpid());	va_start(arg, fmt);	s = vseprint(s, buf + sizeof(buf) / sizeof(*buf), fmt, arg);	va_end(arg);	*s++ = '\n';	write(2, buf, s - buf);abort();	exits(buf);} #define	SIZE	4096 voidcprint(char *fmt, ...){	char buf[SIZE], *out;	va_list arg; 	va_start(arg, fmt);	out = vseprint(buf, buf+SIZE, fmt, arg);	va_end(arg);	write(cmdfd, buf, (long)(out-buf));} /* * print goes to fd 2 [sic] because fd 1 might be * otherwise preoccupied when the -s flag is given to kfs. */intprint(char *fmt, ...){	va_list arg;	int n; 	va_start(arg, fmt);	n = vfprint(2, fmt, arg);	va_end(arg);	return n;}