*/
YAZ_EXPORT void *nmem_malloc(NMEM n, int size);
+/** \brief returns errno
+ \returns errno value
+*/
YAZ_EXPORT int yaz_errno(void);
+
+/** \brief sets errno to value
+ \param v errno value
+*/
YAZ_EXPORT void yaz_set_errno (int v);
+
+/** \brief returns system error description string
+ \param buf buffer for result
+ \param max maximum number of bytes to store
+*/
YAZ_EXPORT void yaz_strerror(char *buf, int max);
YAZ_END_CDECL