* myselect.h: bzero -> memset

* select.c: bzero -> memset; removed global variable
diff --git a/Include/myselect.h b/Include/myselect.h
index fa8ade9..54884ad 100644
--- a/Include/myselect.h
+++ b/Include/myselect.h
@@ -75,6 +75,6 @@
 #define	FD_SET(n, p)	((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
 #define	FD_CLR(n, p)	((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
 #define	FD_ISSET(n, p)	((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
-#define FD_ZERO(p)	bzero((char *)(p), sizeof(*(p)))
+#define FD_ZERO(p)	memset((char *)(p), '\0', sizeof(*(p)))
 
 #endif /* FD_SET */