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

NAME

strings.h - string operations

SYNOPSIS

[XSI] [Option Start] #include <strings.h> [Option End]

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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