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STRNLEN (3) | C library functions | Unix Manual Pages | :man

NAME

strnlen - determine the length of a fixed-size string

CONTENTS

Synopsis
Description

SYNOPSIS



#include <string.h>



"size_t strnlen(const char *"s", size_t "maxlen);

DESCRIPTION

The strnlen function returns the number of characters in the string pointed to by s, not including the terminating ’\0’ character, but at most maxlen. In doing this, strnlen looks only at the first maxlen characters at s and never beyond s+maxlen.

"RETURN VALUE"

The strnlen function returns strlen(s), if that is less than maxlen, or maxlen if there is no ’\0’ character among the first maxlen characters pointed to by s.

"CONFORMING TO"

This function is a GNU extension.

"SEE ALSO"

strlen(3)


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