-void *memchr __P((const void *, int, size_t));
-int memcmp __P((const void *, const void *, size_t));
-void *memcpy __P((void *, const void *, size_t));
-void *memmove __P((void *, const void *, size_t));
-void *memset __P((void *, int, size_t));
-char *strcat __P((char *, const char *));
-char *strchr __P((const char *, int));
-int strcmp __P((const char *, const char *));
-int strcoll __P((const char *, const char *));
-char *strcpy __P((char *, const char *));
-size_t strcspn __P((const char *, const char *));
-char *strerror __P((int));
-size_t strlen __P((const char *));
-char *strncat __P((char *, const char *, size_t));
-int strncmp __P((const char *, const char *, size_t));
-char *strncpy __P((char *, const char *, size_t));
-char *strpbrk __P((const char *, const char *));
-char *strrchr __P((const char *, int));
-size_t strspn __P((const char *, const char *));
-char *strstr __P((const char *, const char *));
-char *strtok __P((char *, const char *));
-size_t strxfrm __P((char *, const char *, size_t));
+void *memchr(const void *, int, size_t);
+int memcmp(const void *, const void *, size_t);
+void *memcpy(void *, const void *, size_t);
+void *memmove(void *, const void *, size_t);
+void *memset(void *, int, size_t);
+char *stpcpy(char *, const char *);
+char *strcasestr(const char *, const char *);
+char *strcat(char *, const char *);
+char *strchr(const char *, int);
+int strcmp(const char *, const char *);
+int strcoll(const char *, const char *);
+char *strcpy(char *, const char *);
+size_t strcspn(const char *, const char *);
+char *strerror(int);
+int strerror_r(int, char *, size_t);
+size_t strlen(const char *);
+char *strncat(char *, const char *, size_t);
+int strncmp(const char *, const char *, size_t);
+char *strncpy(char *, const char *, size_t);
+char *strnstr(const char *, const char *, size_t);
+char *strpbrk(const char *, const char *);
+char *strrchr(const char *, int);
+size_t strspn(const char *, const char *);
+char *strstr(const char *, const char *);
+char *strtok(char *, const char *);
+size_t strxfrm(char *, const char *, size_t);