/* string.h */

extern  char    *strncpy(char *, const char *, int32);
extern  char    *strncat(char *, const char *, int32);
extern  int32   strncmp(const char *, const char *, int32);
extern  char    *strchr(const char *, int32);
extern  char    *strrchr(const char *, int32);
extern  char    *strstr(const char *, const char *);
extern  int32   strnlen(const char *, uint32);
extern  int     strlen(char *str);