Manual of STRLEN(3) (v2.63)

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, not including the terminating '\0' character.

RETURN VALUE

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

CONFORMING TO

SVr4, 4.3BSD, C89, C99.

SEE ALSO

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