15 #include <grass/gis.h> 
   16 #include <grass/glocale.h> 
   33     static char mapset[GMAPSET_MAX];
 
   43     else if (strcmp(mapset, m) == 0)
 
char * G_mapset(void)
current mapset name 
int G__mapset_permissions(const char *mapset)
Check for user mapset permission. 
char * G__getenv(const char *name)
Get environment variable. 
int G_fatal_error(const char *msg,...)
Print a fatal error message to stderr.