std::strlen

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C++ Standard Library
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Strings library
Null-terminated strings Byte strings Multibyte strings Wide strings Classes basic_string char_traits
Null-terminated byte 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 atol atoll strtol strtoll strtoul strtoull strtof strtod strtold 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 byte string.

[edit] Parameters

str

-

pointer to the null-terminated byte string to be examined

[edit] Return value

the length of the null-terminated string str.

[edit] Example

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