bool fexists(string f);
-vector colormapPaletteColor(float c, float isPants);
-
// unzone the string, and return it as tempstring. Safe to be called on string_null
string fstrunzone(string s);
float gsl_ran_gaussian(float sigma);
-string car(string s); // returns first word
-string cdr(string s); // returns all but first word
float matchacl(string acl, string str); // matches str against ACL acl (with entries +foo*, +foo, +*foo, +*foo*, and same with - for forbidding)
-float startsWith(string haystack, string needle);
-float startsWithNocase(string haystack, string needle);
string get_model_datafilename(string mod, float skn, string fil); // skin -1 will return wildcard, mod string_null will also put wildcard there
string get_model_parameters_modelname;