strings.h man page


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.

strings.h — string operations


#include <strings.h>


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.

See Also

<locale.h>, <sys_types.h>

The System Interfaces volume of POSIX.1‐2008, ffs(), strcasecmp()