-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);
-#ifndef _POSIX_C_SOURCE
-char *stpcpy(char *, const char *);
-char *strcasestr(const char *, const char *);
-#endif /* !_POSIX_C_SOURCE */
-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);
-#ifndef _POSIX_C_SOURCE
-char *strnstr(const char *, const char *, size_t);
-#endif /* !_POSIX_C_SOURCE */
-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);
-
-/* Nonstandard routines */
-#ifndef _ANSI_SOURCE
-void *memccpy(void *, const void *, int, size_t);
-char *strtok_r(char *, const char *, char **);
-char *strdup(const char *);
-#ifndef _POSIX_C_SOURCE
-int bcmp(const void *, const void *, size_t);
-void bcopy(const void *, void *, size_t);
-void bzero(void *, size_t);
-int ffs(int);
-char *index(const char *, int);
-char *rindex(const char *, int);
-int strcasecmp(const char *, const char *);
-size_t strlcat(char *, const char *, size_t);
-size_t strlcpy(char *, const char *, size_t);
-void strmode(int, char *);
-int strncasecmp(const char *, const char *, size_t);
-char *strsep(char **, const char *);
-char *strsignal(int sig);
+void *memmem(const void *__big, size_t __big_len, const void *__little, size_t __little_len) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
+void memset_pattern4(void *__b, const void *__pattern4, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0);
+void memset_pattern8(void *__b, const void *__pattern8, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0);
+void memset_pattern16(void *__b, const void *__pattern16, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0);
+
+char *strcasestr(const char *__big, const char *__little);
+char *strnstr(const char *__big, const char *__little, size_t __len);
+size_t strlcat(char *__dst, const char *__source, size_t __size);
+size_t strlcpy(char *__dst, const char *__source, size_t __size);
+void strmode(int __mode, char *__bp);
+char *strsep(char **__stringp, const char *__delim);
+
+/* SUS places swab() in unistd.h. It is listed here for source compatibility */