TELNET_ENVIRON_USERVAR  521 src/dps8/libtelnet.c                         (unsigned)buffer[1] != TELNET_ENVIRON_USERVAR) {
TELNET_ENVIRON_USERVAR  537 src/dps8/libtelnet.c                 if (*c == TELNET_ENVIRON_VAR || *c == TELNET_ENVIRON_USERVAR) {
TELNET_ENVIRON_USERVAR  567 src/dps8/libtelnet.c                                         (unsigned)*c == TELNET_ENVIRON_USERVAR) {
TELNET_ENVIRON_USERVAR  592 src/dps8/libtelnet.c                                                 (unsigned)*c == TELNET_ENVIRON_USERVAR) {