C_SWTCH
{"swtch", C_SH(C_SWTCH), MD_CHAR},
case C_SWTCH:
s[C_SWTCH] = td->c_cc[VSWTCH];
{"chars:", (C_SH(C_MIN) | C_SH(C_TIME) | C_SH(C_SWTCH) | C_SH(C_DSWTCH) |
td->c_cc[VSWTCH] = s[C_SWTCH];