PROTECTED_FD_START  340 dmtcp_launch.cpp   for (size_t fd = PROTECTED_FD_START; fd < PROTECTED_FD_END; fd++) {
PROTECTED_FD_START   36 dmtcp_nocheckpoint.c   for (fd = PROTECTED_FD_START; fd < PROTECTED_FD_END; fd++) {
PROTECTED_FD_START  342 execwrappers.cpp   for (size_t i  = PROTECTED_FD_START; i < PROTECTED_FD_END; i++) {