+/* Assume perror is always declared. */
+_GL_WARN_ON_USE (perror, "perror is not always POSIX compliant - "
+ "use gnulib module perror for portability");
+#endif
+
+#if @GNULIB_POPEN@
+# if @REPLACE_POPEN@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef popen
+# define popen rpl_popen
+# endif
+_GL_FUNCDECL_RPL (popen, FILE *, (const char *cmd, const char *mode)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (popen, FILE *, (const char *cmd, const char *mode));
+# else
+# if !@HAVE_POPEN@
+_GL_FUNCDECL_SYS (popen, FILE *, (const char *cmd, const char *mode)
+ _GL_ARG_NONNULL ((1, 2)));
+# endif
+_GL_CXXALIAS_SYS (popen, FILE *, (const char *cmd, const char *mode));
+# endif
+_GL_CXXALIASWARN (popen);
+#elif defined GNULIB_POSIXCHECK
+# undef popen
+# if HAVE_RAW_DECL_POPEN
+_GL_WARN_ON_USE (popen, "popen is buggy on some platforms - "
+ "use gnulib module popen or pipe for more portability");
+# endif
+#endif
+
+#if @GNULIB_PRINTF_POSIX@ || @GNULIB_PRINTF@
+# if (@GNULIB_PRINTF_POSIX@ && @REPLACE_PRINTF@) \
+ || (@GNULIB_PRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@))
+# if defined __GNUC__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+/* Don't break __attribute__((format(printf,M,N))). */
+# define printf __printf__
+# endif
+# if @GNULIB_PRINTF_POSIX@ || @GNULIB_VFPRINTF_POSIX@
+_GL_FUNCDECL_RPL_1 (__printf__, int,
+ (const char *format, ...)
+ __asm__ (@ASM_SYMBOL_PREFIX@
+ _GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_printf))
+ _GL_ATTRIBUTE_FORMAT_PRINTF (1, 2)
+ _GL_ARG_NONNULL ((1)));
+# else
+_GL_FUNCDECL_RPL_1 (__printf__, int,
+ (const char *format, ...)
+ __asm__ (@ASM_SYMBOL_PREFIX@
+ _GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_printf))
+ _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (1, 2)
+ _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_RPL_1 (printf, __printf__, int, (const char *format, ...));
+# else
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define printf rpl_printf
+# endif
+_GL_FUNCDECL_RPL (printf, int,
+ (const char *format, ...)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (1, 2)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (printf, int, (const char *format, ...));
+# endif
+# define GNULIB_overrides_printf 1
+# else
+_GL_CXXALIAS_SYS (printf, int, (const char *format, ...));
+# endif
+_GL_CXXALIASWARN (printf);
+#endif
+#if !@GNULIB_PRINTF_POSIX@ && defined GNULIB_POSIXCHECK
+# if !GNULIB_overrides_printf
+# undef printf
+# endif
+/* Assume printf is always declared. */
+_GL_WARN_ON_USE (printf, "printf is not always POSIX compliant - "
+ "use gnulib module printf-posix for portable "
+ "POSIX compliance");
+#endif
+
+#if @GNULIB_PUTC@
+# if @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@)
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef putc
+# define putc rpl_fputc
+# endif
+_GL_FUNCDECL_RPL (fputc, int, (int c, FILE *stream) _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL_1 (putc, rpl_fputc, int, (int c, FILE *stream));
+# else
+_GL_CXXALIAS_SYS (putc, int, (int c, FILE *stream));
+# endif
+_GL_CXXALIASWARN (putc);
+#endif
+
+#if @GNULIB_PUTCHAR@
+# if @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@)
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef putchar
+# define putchar rpl_putchar
+# endif
+_GL_FUNCDECL_RPL (putchar, int, (int c));
+_GL_CXXALIAS_RPL (putchar, int, (int c));
+# else
+_GL_CXXALIAS_SYS (putchar, int, (int c));
+# endif
+_GL_CXXALIASWARN (putchar);
+#endif
+
+#if @GNULIB_PUTS@
+# if @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@)
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef puts
+# define puts rpl_puts
+# endif
+_GL_FUNCDECL_RPL (puts, int, (const char *string) _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (puts, int, (const char *string));
+# else
+_GL_CXXALIAS_SYS (puts, int, (const char *string));
+# endif
+_GL_CXXALIASWARN (puts);
+#endif
+
+#if @GNULIB_REMOVE@
+# if @REPLACE_REMOVE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef remove
+# define remove rpl_remove
+# endif
+_GL_FUNCDECL_RPL (remove, int, (const char *name) _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (remove, int, (const char *name));
+# else
+_GL_CXXALIAS_SYS (remove, int, (const char *name));
+# endif
+_GL_CXXALIASWARN (remove);
+#elif defined GNULIB_POSIXCHECK
+# undef remove
+/* Assume remove is always declared. */
+_GL_WARN_ON_USE (remove, "remove cannot handle directories on some platforms - "
+ "use gnulib module remove for more portability");
+#endif
+
+#if @GNULIB_RENAME@
+# if @REPLACE_RENAME@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef rename
+# define rename rpl_rename
+# endif
+_GL_FUNCDECL_RPL (rename, int,
+ (const char *old_filename, const char *new_filename)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (rename, int,
+ (const char *old_filename, const char *new_filename));
+# else
+_GL_CXXALIAS_SYS (rename, int,
+ (const char *old_filename, const char *new_filename));
+# endif
+_GL_CXXALIASWARN (rename);
+#elif defined GNULIB_POSIXCHECK
+# undef rename
+/* Assume rename is always declared. */
+_GL_WARN_ON_USE (rename, "rename is buggy on some platforms - "
+ "use gnulib module rename for more portability");
+#endif
+
+#if @GNULIB_RENAMEAT@
+# if @REPLACE_RENAMEAT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef renameat
+# define renameat rpl_renameat
+# endif
+_GL_FUNCDECL_RPL (renameat, int,
+ (int fd1, char const *file1, int fd2, char const *file2)
+ _GL_ARG_NONNULL ((2, 4)));
+_GL_CXXALIAS_RPL (renameat, int,
+ (int fd1, char const *file1, int fd2, char const *file2));
+# else
+# if !@HAVE_RENAMEAT@
+_GL_FUNCDECL_SYS (renameat, int,
+ (int fd1, char const *file1, int fd2, char const *file2)
+ _GL_ARG_NONNULL ((2, 4)));
+# endif
+_GL_CXXALIAS_SYS (renameat, int,
+ (int fd1, char const *file1, int fd2, char const *file2));
+# endif
+_GL_CXXALIASWARN (renameat);
+#elif defined GNULIB_POSIXCHECK
+# undef renameat
+# if HAVE_RAW_DECL_RENAMEAT
+_GL_WARN_ON_USE (renameat, "renameat is not portable - "
+ "use gnulib module renameat for portability");
+# endif
+#endif
+
+#if @GNULIB_SCANF@
+# if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
+# if defined __GNUC__
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef scanf
+/* Don't break __attribute__((format(scanf,M,N))). */
+# define scanf __scanf__
+# endif
+_GL_FUNCDECL_RPL_1 (__scanf__, int,
+ (const char *format, ...)
+ __asm__ (@ASM_SYMBOL_PREFIX@
+ _GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_scanf))
+ _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (1, 2)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL_1 (scanf, __scanf__, int, (const char *format, ...));
+# else
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef scanf
+# define scanf rpl_scanf
+# endif
+_GL_FUNCDECL_RPL (scanf, int, (const char *format, ...)
+ _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (1, 2)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (scanf, int, (const char *format, ...));
+# endif
+# else
+_GL_CXXALIAS_SYS (scanf, int, (const char *format, ...));
+# endif
+_GL_CXXALIASWARN (scanf);
+#endif
+
+#if @GNULIB_SNPRINTF@
+# if @REPLACE_SNPRINTF@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define snprintf rpl_snprintf
+# endif
+_GL_FUNCDECL_RPL (snprintf, int,
+ (char *str, size_t size, const char *format, ...)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (3, 4)
+ _GL_ARG_NONNULL ((3)));
+_GL_CXXALIAS_RPL (snprintf, int,
+ (char *str, size_t size, const char *format, ...));
+# else
+# if !@HAVE_DECL_SNPRINTF@
+_GL_FUNCDECL_SYS (snprintf, int,
+ (char *str, size_t size, const char *format, ...)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (3, 4)
+ _GL_ARG_NONNULL ((3)));
+# endif
+_GL_CXXALIAS_SYS (snprintf, int,
+ (char *str, size_t size, const char *format, ...));
+# endif
+_GL_CXXALIASWARN (snprintf);
+#elif defined GNULIB_POSIXCHECK
+# undef snprintf
+# if HAVE_RAW_DECL_SNPRINTF
+_GL_WARN_ON_USE (snprintf, "snprintf is unportable - "
+ "use gnulib module snprintf for portability");
+# endif
+#endif
+
+/* Some people would argue that all sprintf uses should be warned about
+ (for example, OpenBSD issues a link warning for it),
+ since it can cause security holes due to buffer overruns.
+ However, we believe that sprintf can be used safely, and is more
+ efficient than snprintf in those safe cases; and as proof of our
+ belief, we use sprintf in several gnulib modules. So this header
+ intentionally avoids adding a warning to sprintf except when
+ GNULIB_POSIXCHECK is defined. */
+
+#if @GNULIB_SPRINTF_POSIX@
+# if @REPLACE_SPRINTF@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define sprintf rpl_sprintf
+# endif
+_GL_FUNCDECL_RPL (sprintf, int, (char *str, const char *format, ...)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (2, 3)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (sprintf, int, (char *str, const char *format, ...));
+# else
+_GL_CXXALIAS_SYS (sprintf, int, (char *str, const char *format, ...));
+# endif
+_GL_CXXALIASWARN (sprintf);
+#elif defined GNULIB_POSIXCHECK
+# undef sprintf
+/* Assume sprintf is always declared. */
+_GL_WARN_ON_USE (sprintf, "sprintf is not always POSIX compliant - "
+ "use gnulib module sprintf-posix for portable "
+ "POSIX compliance");
+#endif
+
+#if @GNULIB_TMPFILE@
+# if @REPLACE_TMPFILE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define tmpfile rpl_tmpfile
+# endif
+_GL_FUNCDECL_RPL (tmpfile, FILE *, (void));
+_GL_CXXALIAS_RPL (tmpfile, FILE *, (void));
+# else
+_GL_CXXALIAS_SYS (tmpfile, FILE *, (void));
+# endif
+_GL_CXXALIASWARN (tmpfile);
+#elif defined GNULIB_POSIXCHECK
+# undef tmpfile
+# if HAVE_RAW_DECL_TMPFILE
+_GL_WARN_ON_USE (tmpfile, "tmpfile is not usable on mingw - "
+ "use gnulib module tmpfile for portability");
+# endif
+#endif
+
+#if @GNULIB_VASPRINTF@
+/* Write formatted output to a string dynamically allocated with malloc().
+ If the memory allocation succeeds, store the address of the string in
+ *RESULT and return the number of resulting bytes, excluding the trailing
+ NUL. Upon memory allocation error, or some other error, return -1. */
+# if @REPLACE_VASPRINTF@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define asprintf rpl_asprintf
+# endif
+_GL_FUNCDECL_RPL (asprintf, int,
+ (char **result, const char *format, ...)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (2, 3)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (asprintf, int,
+ (char **result, const char *format, ...));
+# else
+# if !@HAVE_VASPRINTF@
+_GL_FUNCDECL_SYS (asprintf, int,
+ (char **result, const char *format, ...)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (2, 3)
+ _GL_ARG_NONNULL ((1, 2)));
+# endif
+_GL_CXXALIAS_SYS (asprintf, int,
+ (char **result, const char *format, ...));
+# endif
+_GL_CXXALIASWARN (asprintf);
+# if @REPLACE_VASPRINTF@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define vasprintf rpl_vasprintf
+# endif
+_GL_FUNCDECL_RPL (vasprintf, int,
+ (char **result, const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (vasprintf, int,
+ (char **result, const char *format, va_list args));
+# else
+# if !@HAVE_VASPRINTF@
+_GL_FUNCDECL_SYS (vasprintf, int,
+ (char **result, const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0)
+ _GL_ARG_NONNULL ((1, 2)));
+# endif
+_GL_CXXALIAS_SYS (vasprintf, int,
+ (char **result, const char *format, va_list args));
+# endif
+_GL_CXXALIASWARN (vasprintf);
+#endif
+
+#if @GNULIB_VDPRINTF@
+# if @REPLACE_VDPRINTF@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define vdprintf rpl_vdprintf
+# endif
+_GL_FUNCDECL_RPL (vdprintf, int, (int fd, const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (vdprintf, int, (int fd, const char *format, va_list args));
+# else
+# if !@HAVE_VDPRINTF@
+_GL_FUNCDECL_SYS (vdprintf, int, (int fd, const char *format, va_list args)
+ _GL_ATTRIBUTE_FORMAT_PRINTF (2, 0)
+ _GL_ARG_NONNULL ((2)));
+# endif
+/* Need to cast, because on Solaris, the third parameter will likely be
+ __va_list args. */
+_GL_CXXALIAS_SYS_CAST (vdprintf, int,
+ (int fd, const char *format, va_list args));
+# endif
+_GL_CXXALIASWARN (vdprintf);
+#elif defined GNULIB_POSIXCHECK
+# undef vdprintf
+# if HAVE_RAW_DECL_VDPRINTF
+_GL_WARN_ON_USE (vdprintf, "vdprintf is unportable - "
+ "use gnulib module vdprintf for portability");
+# endif