Method: String#getbyte

Defined in:
string.c

#getbyte(index) ⇒ 0 .. 255

returns the indexth byte as an integer.

Returns:

  • (0 .. 255) 

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# File 'string.c', line 5646

static VALUE
rb_str_getbyte(VALUE str, VALUE index)
{
    long pos = NUM2LONG(index);

    if (pos < 0)
        pos += RSTRING_LEN(str);
    if (pos < 0 ||  RSTRING_LEN(str) <= pos)
        return Qnil;

    return INT2FIX((unsigned char)RSTRING_PTR(str)[pos]);
}