SP_get_current_dir() #include <sicstus/sicstus.h>
char *
SP_get_current_dir(void);
Obtains an encoded string containing the absolute, slash (/)
terminated, path to the current working directory. The return value is
allocated with SP_malloc and should be freed with
SP_free.
The string on success and NULL on error.
cpg-ref-SP_set_current_dir. OS File System.