LSF_SINGLE 76 usr/bin/ls/ls.c ls_flags |= LSF_SINGLE; LSF_SINGLE 80 usr/bin/ls/ls.c ls_flags &= ~LSF_SINGLE; LSF_SINGLE 85 usr/bin/ls/ls.c ls_flags &= ~LSF_SINGLE; LSF_SINGLE 232 usr/bin/ls/ls.c if (ls_flags & LSF_LONG || ls_flags & LSF_SINGLE) {