diff -u -r /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm/usr/include/stdio.h ./usr/include/stdio.h
---- /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm/usr/include/stdio.h 2014-10-14 22:53:49.000000000 -0400
-+++ ./usr/include/stdio.h 2015-12-24 03:07:45.028840214 -0500
-@@ -52,6 +52,8 @@
+--- /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm/usr/include/stdio.h 2016-03-03 16:54:24.000000000 -0500
++++ ./usr/include/stdio.h 2016-04-11 06:54:22.893930847 -0400
+@@ -52,6 +52,10 @@
#include <stdarg.h>
#include <stddef.h>
+#include <string.h> /* For strcpy(3) used by ctermid() */
++#include <asm-generic/fcntl.h> /* For O_RDWR and other O_* constants */
++#include <stdlib.h> /* For arc4random() */
+
#define __need_NULL
#include <stddef.h>
-@@ -193,7 +195,7 @@
+@@ -193,7 +196,7 @@
/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
#if __BSD_VISIBLE || __XPG_VISIBLE
-#define P_tmpdir "/tmp/"
-+#define P_tmpdir "/data/data/com.termux/files/usr/tmp/"
++#define P_tmpdir "@TERMUX_PREFIX@/tmp/"
#endif
#define L_tmpnam 1024 /* XXX must be == PATH_MAX */
#define TMP_MAX 308915776
+@@ -257,7 +260,6 @@
+ int setvbuf(FILE * __restrict, char * __restrict, int, size_t);
+ int sscanf(const char * __restrict, const char * __restrict, ...)
+ __scanflike(2, 3);
+-FILE *tmpfile(void);
+ int ungetc(int, FILE *);
+ int vfprintf(FILE * __restrict, const char * __restrict, __va_list)
+ __printflike(2, 0);
@@ -371,6 +373,16 @@
#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
#endif /* __BSD_VISIBLE */
+
+/* Used by perl, fish, and others */
+static char* ctermid(char* s) {
-+ if (s == 0) return "/dev/tty";
++ if (s == 0) return (char*) "/dev/tty";
+ strcpy(s, "/dev/tty");
+ return s;
+}
#if defined(__BIONIC_FORTIFY)
__BEGIN_DECLS
+@@ -462,4 +474,29 @@
+
+ #endif /* defined(__BIONIC_FORTIFY) */
+
++__BEGIN_DECLS
++
++extern int open(const char*, int, ...);
++extern pid_t getpid();
++extern int unlink(const char*);
++static FILE* tmpfile() {
++ int p = getpid();
++ char* path;
++ int i;
++ for (i = 0; i < 100; i++) {
++ unsigned int r = arc4random();
++ if (asprintf(&path, "@TERMUX_PREFIX@/tmp/tmpfile.%d-%u", p, r) == -1) return NULL;
++ int fd = open(path, O_RDWR | O_CREAT | O_EXCL | O_LARGEFILE);
++ free(path);
++ if (fd >= 0) {
++ FILE* result = fdopen(fd, "w+");
++ unlink(path);
++ return result;
++ }
++ }
++ return NULL;
++}
++
++__END_DECLS
++
+ #endif /* _STDIO_H_ */