получить длину строки фиксированного размера (get length of fixed size string)
Пролог (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.
Имя (Name)
strnlen — get length of fixed size string
Синопсис (Synopsis)
#include <string.h>
size_t strnlen(const char *s, size_t maxlen);
Описание (Description)
Refer to strlen(3p).
