user@ubuntu-i386:/mnt/data/mips/lib$ nm -l libc.a | grep "ftime" -
difftime.o:
00000000 T difftime     /tmp/nestedvm-2007-01-12/upstream/build/newlib-obj/mips-unknown-elf/newlib/libc/time/../../../../../newlib-1.11.0/newlib/libc/time/difftime.c:42
strftime.o:
00000000 r dname        /tmp/nestedvm-2007-01-12/upstream/build/newlib-obj/mips-unknown-elf/newlib/libc/time/../../../../../newlib-1.11.0/newlib/libc/time/strftime.c:153
00000000 r dname_len    /tmp/nestedvm-2007-01-12/upstream/build/newlib-obj/mips-unknown-elf/newlib/libc/time/../../../../../newlib-1.11.0/newlib/libc/time/strftime.c:150
00000000 r mname        /tmp/nestedvm-2007-01-12/upstream/build/newlib-obj/mips-unknown-elf/newlib/libc/time/../../../../../newlib-1.11.0/newlib/libc/time/strftime.c:160
00000000 r mname_len    /tmp/nestedvm-2007-01-12/upstream/build/newlib-obj/mips-unknown-elf/newlib/libc/time/../../../../../newlib-1.11.0/newlib/libc/time/strftime.c:157
00000000 T strftime     /tmp/nestedvm-2007-01-12/upstream/build/newlib-obj/mips-unknown-elf/newlib/libc/time/../../../../../newlib-1.11.0/newlib/libc/time/strftime.c:171