The const-ness updates broke systems where `os_strsignal()` gets mapped
to `strsignal()`, which does *not* return `const char *` but `char *`.
If we #define away, then there should be a prototype from the system
headers.
extern ip_address_item *os_common_find_running_interfaces(void);
#endif
extern ip_address_item *os_common_find_running_interfaces(void);
#endif
+/* If these exist as a macro, then they're overriden away from us and we
+rely upon the system headers to provide prototype declarations for us.
+Notably, strsignal() is not in the Single Unix Specification (v3) and
+predicting constness is awkward. */
+
+#ifndef os_getloadavg
extern int os_getloadavg(void);
extern int os_getloadavg(void);
+#endif
+#ifndef os_restarting_signal
extern void os_restarting_signal(int, void (*)(int));
extern void os_restarting_signal(int, void (*)(int));
+#endif
+#ifndef os_non_restarting_signal
extern void os_non_restarting_signal(int, void (*)(int));
extern void os_non_restarting_signal(int, void (*)(int));
+#endif
+#ifndef os_strexit
extern const char *os_strexit(int); /* char to match os_strsignal */
extern const char *os_strexit(int); /* char to match os_strsignal */
+#endif
+#ifndef os_strsignal
extern const char *os_strsignal(int); /* char to match strsignal in some OS */
extern const char *os_strsignal(int); /* char to match strsignal in some OS */
/* End of osfunctions.h */
/* End of osfunctions.h */