strings.h - string operations

PROLOG  NAME  SYNOPSIS  DESCRIPTION  APPLICATION USAGE  RATIONALE  FUTURE DIRECTIONS  SEE ALSO  COPYRIGHT 

PROLOG

This manual page is part of the POSIX Programmer’s Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.

NAME

strings.h — string operations

SYNOPSIS

#include <strings.h>

DESCRIPTION

The following shall be declared as functions and may also be defined as macros. Function prototypes shall be provided for use with ISO C standard compilers.

int ffs(int);
int strcasecmp(const char *, const char *);
int strcasecmp_l(const char *, const char *, locale_t);
int strncasecmp(const char *, const char *, size_t);
int strncasecmp_l(const char *, const char *, size_t, locale_t);

The <strings.h> header shall define the locale_t type as described in <locale.h>.

The <strings.h> header shall define the size_t type as described in <sys/types.h>.

The following sections are informative.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

<locale.h>, <sys_types.h>

The System Interfaces volume of POSIX.1-2017, ffs(), strcasecmp()

COPYRIGHT

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1-2017, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .

Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html .


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