isdigit          5358 src/simh/scp.c     if (isdigit((unsigned char)gnumver[0])) {
isdigit          7665 src/simh/scp.c return (c & 0x80) ? 0 : isdigit (c);
isdigit           364 src/simh/sim_hints.c         && isdigit (entry->d_name[3])) {
isdigit           489 src/simh/sim_hints.c         && isdigit (entry->d_name[3])) {
isdigit          2215 src/simh/sim_tmxr.c         if (!isdigit((unsigned char)*cptr)) {