int stringmatch(const char *p, const char *s, int nocase);
long long memtoll(const char *p, int *err);
int ll2string(char *s, size_t len, long long value);
-int string2ll(char *s, size_t slen, long long *value);
-int string2l(char *s, size_t slen, long *value);
+int string2ll(const char *s, size_t slen, long long *value);
+int string2l(const char *s, size_t slen, long *value);
int d2string(char *buf, size_t len, double value);
#endif