std::strlen

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C++ Standard Library
Language Utilities library Strings library Containers library Algorithms library Iterators library Numerics library Input/output library Localizations library Regular expressions library (C++11) Atomic operations library (C++11) Thread support library (C++11)
Strings library
Narrow character strings Wide character strings Classes basic_string char_traits
Narrow null-terminated strings
Functions Character manipulation isalnum isalpha islower isupper isdigit isxdigit isblank (C++11) iscntrl isgraph isspace isprint ispunct tolower toupper Conversions to numeric formats atof atoi strtol strtoul strtof String manipulation strcpy strncpy strcat strncat strxfrm String examination strlen strcmp strncmp strcoll strchr strrchr strspn strcspn strpbrk strstr strtok Memory manipulation memchr memcmp memset memcpy memmove Miscellaneous strerror

Defined in header <cstring>
size_t strlen( char *str );

Returns the length of the given character string.

[edit] Parameters

str

-

pointer to the null-terminated character string to be examined

[edit] Return value

the length of the null-terminated string str.

[edit] Example

This section is incomplete