Library /sys$common/syshlp/helplib.hlb  —  RTL Routines, LIB$  LIB$ICHAR
    The Convert First Character of String to Integer routine converts
    the first character of a source string to an 8-bit ASCII integer
    extended to a longword.

    Format

      LIB$ICHAR  source-string
Additional Information: explode extract
Returns Argument
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