10 #include <bits/alltypes.h>
13 int bcmp (const void *, const void *, size_t);
14 void bcopy (const void *, void *, size_t);
15 void bzero (void *, size_t);
19 char *index (const char *, int);
20 char *rindex (const char *, int);
22 int strcasecmp (const char *, const char *);
23 int strncasecmp (const char *, const char *, size_t);