Function regc

v2/engine/regexp.c:680–687

- regc - emit (if appropriate) a byte of code */

 - regc - emit (if appropriate) a byte of code
 */
static void
regc( int b )
{
    if (regcode != &regdummy)
        *regcode++ = b;
    else
        regsize++;
}

/*
 - reginsert - insert an operator in front of already-emitted operand