diff --git a/editors/diff.c b/editors/diff.c
index 8c0a31f47..3a3334640 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -693,10 +693,12 @@ static bool diff(FILE* fp[2], char *file[2])
 
 static int diffreg(char *file[2])
 {
-	FILE *fp[2] = { stdin, stdin };
+	FILE *fp[2];
 	bool binary = false, differ = false;
 	int status = STATUS_SAME, i;
 
+	fp[0] = stdin;
+	fp[1] = stdin;
 	for (i = 0; i < 2; i++) {
 		int fd = open_or_warn_stdin(file[i]);
 		if (fd == -1)
diff --git a/include/platform.h b/include/platform.h
index 07b1faa9f..e22dbdb4a 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -266,6 +266,7 @@ typedef unsigned smalluint;
 #if defined __GLIBC__ \
  || defined __UCLIBC__ \
  || defined __dietlibc__ \
+ || defined __BIONIC__ \
  || defined _NEWLIB_VERSION
 # include <features.h>
 #endif
@@ -492,7 +493,8 @@ extern int vasprintf(char **string_ptr, const char *format, va_list p) FAST_FUNC
 #endif
 
 #ifndef HAVE_GETLINE
-#include <stdio.h> /* for FILE */
+# include <stdio.h> /* for FILE */
+# include <sys/types.h> /* size_t */
 extern ssize_t getline(char **lineptr, size_t *n, FILE *stream) FAST_FUNC;
 #endif
 
diff --git a/networking/ping.c b/networking/ping.c
index d75747984..efd4f210b 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -29,6 +29,22 @@
 #include <netinet/ip_icmp.h>
 #include "libbb.h"
 
+#ifdef __BIONIC__
+/* should be in netinet/ip_icmp.h */
+# define ICMP_DEST_UNREACH    3  /* Destination Unreachable  */
+# define ICMP_SOURCE_QUENCH   4  /* Source Quench    */
+# define ICMP_REDIRECT        5  /* Redirect (change route)  */
+# define ICMP_ECHO            8  /* Echo Request      */
+# define ICMP_TIME_EXCEEDED  11  /* Time Exceeded    */
+# define ICMP_PARAMETERPROB  12  /* Parameter Problem    */
+# define ICMP_TIMESTAMP      13  /* Timestamp Request    */
+# define ICMP_TIMESTAMPREPLY 14  /* Timestamp Reply    */
+# define ICMP_INFO_REQUEST   15  /* Information Request    */
+# define ICMP_INFO_REPLY     16  /* Information Reply    */
+# define ICMP_ADDRESS        17  /* Address Mask Request    */
+# define ICMP_ADDRESSREPLY   18  /* Address Mask Reply    */
+#endif
+
 //config:config PING
 //config:	bool "ping"
 //config:	default y
diff --git a/networking/telnet.c b/networking/telnet.c
index 6dd0de53a..e8e51dce4 100644
--- a/networking/telnet.c
+++ b/networking/telnet.c
@@ -40,10 +40,25 @@
 #include <netinet/in.h>
 #include "libbb.h"
 
+#ifdef __BIONIC__
+/* should be in arpa/telnet.h */
+# define IAC         255  /* interpret as command: */
+# define DONT        254  /* you are not to use option */
+# define DO          253  /* please, you use option */
+# define WONT        252  /* I won't use option */
+# define WILL        251  /* I will use option */
+# define SB          250  /* interpret as subnegotiation */
+# define SE          240  /* end sub negotiation */
+# define TELOPT_ECHO   1  /* echo */
+# define TELOPT_SGA    3  /* suppress go ahead */
+# define TELOPT_TTYPE 24  /* terminal type */
+# define TELOPT_NAWS  31  /* window size */
+#endif
+
 #ifdef DOTRACE
-#define TRACE(x, y) do { if (x) printf y; } while (0)
+# define TRACE(x, y) do { if (x) printf y; } while (0)
 #else
-#define TRACE(x, y)
+# define TRACE(x, y)
 #endif
 
 enum {
diff --git a/util-linux/acpid.c b/util-linux/acpid.c
index 2f27cfd1c..6e7321b02 100644
--- a/util-linux/acpid.c
+++ b/util-linux/acpid.c
@@ -33,6 +33,25 @@
 #include <syslog.h>
 #include <linux/input.h>
 
+#ifndef EV_SW
+# define EV_SW         0x05
+#endif
+#ifndef EV_KEY
+# define EV_KEY        0x01
+#endif
+#ifndef SW_LID
+# define SW_LID        0x00
+#endif
+#ifndef SW_RFKILL_ALL
+# define SW_RFKILL_ALL 0x03
+#endif
+#ifndef KEY_POWER
+# define KEY_POWER      116     /* SC System Power Down */
+#endif
+#ifndef KEY_SLEEP
+# define KEY_SLEEP      142     /* SC System Sleep */
+#endif
+
 enum {
 	OPT_c = (1 << 0),
 	OPT_d = (1 << 1),
diff --git a/util-linux/swaponoff.c b/util-linux/swaponoff.c
index dbefa4cf2..43ddb4031 100644
--- a/util-linux/swaponoff.c
+++ b/util-linux/swaponoff.c
@@ -25,6 +25,9 @@
 #include "libbb.h"
 #include <mntent.h>
 #include <sys/swap.h>
+#ifndef __BIONIC__
+# include <sys/swap.h>
+#endif
 
 #if ENABLE_FEATURE_MOUNT_LABEL
 # include "volume_id.h"
@@ -32,6 +35,10 @@
 # define resolve_mount_spec(fsname) ((void)0)
 #endif
 
+#ifndef MNTTYPE_SWAP
+# define MNTTYPE_SWAP "swap"
+#endif
+
 #if ENABLE_FEATURE_SWAPON_PRI
 struct globals {
 	int flags;