char *strrchr (const char *, int);\r
unsigned long strtoul (const char *, char **, int);\r
long strtol (const char *, char **, int);\r
char *strrchr (const char *, int);\r
unsigned long strtoul (const char *, char **, int);\r
long strtol (const char *, char **, int);\r