rem: if (n > MAX_READ_BUFFER/4) n = MAX_READ_BUFFER/4;
context: static void read_check(int f){	int n = 8192;		in_read_check = 1;	if (f == -1) return;	if (read_buffer_len == 0) {		read_buffer_p = read_buffer;	}	if (n > MAX_READ_BUFFER/4)		n = MAX_READ_BUFFER/4;	if (read_buffer_p != read_buffer) {		memmove(read_buffer,read_buffer_p,read_buffer_len);		read_buffer_p = read_buffer;	}	if (n > (read_buffer_size - read_buffer_len)) {		read_buffer_size += n;		read_buffer = (char *)Realloc(read_buffer,read_buffer_size);		if (!read_buffer) out_of_memory("read check");      		read_buffer_p = read_buffer;      	}	n = read_unbuffered(f,read_buffer+read_buffer_len,n);	read_buffer_len += n;	in_read_check = 0;}