Merge branch 'feature/andre/libc-more' into 'master'

headers/header_spec.txt

share/libc/time.c

share/libc/time.h

share/libc/unistd.h

tests/libc/fc_libc.c

tests/libc/oracle/fc_libc.0.res.oracle

tests/libc/oracle/fc_libc.1.res.oracle

tests/libc/oracle/time_c.res.oracle

tests/libc/oracle/time_h.res.oracle

tests/libc/oracle/time_misc.res.oracle

tests/libc/oracle/unistd_h.0.res.oracle

tests/libc/oracle/unistd_h.1.res.oracle

tests/libc/time_c.c

tests/libc/time_h.c

tests/libc/time_misc.c

tests/libc/unistd_h.c