The Open Group Base Specifications Issue 6
IEEE Std 1003.1, 2004 Edition
Copyright © 2001-2004 The IEEE and The Open Group, All Rights reserved.

#### NAME

> strings.h - string operations

#### SYNOPSIS

> `[XSI] #include <strings.h>`

#### DESCRIPTION

> The following shall be declared as functions and may also be defined as macros. Function prototypes shall be provided.

>     int    bcmp(const void *, const void *, size_t); (LEGACY )
>     void   bcopy(const void *, void *, size_t); (LEGACY )
>     void   bzero(void *, size_t); (LEGACY )
>     int    ffs(int);
>     char  *index(const char *, int); (LEGACY )
>     char  *rindex(const char *, int); (LEGACY )
>     int    strcasecmp(const char *, const char *);
>     int    strncasecmp(const char *, const char *, size_t);

> The size_t type shall be defined through typedef as described in <stddef.h>.

The following sections are informative.

#### APPLICATION USAGE

> None.

#### RATIONALE

> None.

#### FUTURE DIRECTIONS

> None.

#### SEE ALSO

> <stddef.h>, the System Interfaces volume of IEEE Std 1003.1-2001, ffs(), strcasecmp(), strncasecmp()

#### CHANGE HISTORY

> First released in Issue 4, Version 2.

#### Issue 6

> The Open Group Corrigendum U021/2 is applied, correcting the prototype for index() to be consistent with the reference page.

> The bcmp(), bcopy(), bzero(), index(), and rindex() functions are marked LEGACY.

End of informative text.

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