STRLEN

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ATTRIBUTES
CONFORMING TO
SEE ALSO
COLOPHON

NAME

strlen − calculate the length of a string

SYNOPSIS

#include <string.h>

size_t strlen(const char *s);

DESCRIPTION

The strlen() function calculates the length of the string s, excluding the terminating null byte ('\0').

RETURN VALUE

The strlen() function returns the number of bytes in the string s.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

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CONFORMING TO

SVr4, 4.3BSD, C89, C99.

SEE ALSO

string(3), strnlen(3), wcslen(3), wcsnlen(3)

COLOPHON

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