Library /sys$common/syshlp/helplib.hlb  —  CRTL  strlen
    Returns the length of a string of ASCII characters. The returned
    length does not include the terminating null character (\0).

    Format

      #include  <string.h>

      size_t strlen  (const char *str);

1  –  Argument

 str

    A pointer to the character string.

2  –  Return Value

    x                  The length of the string.
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