Merge branch 'feature/andre/libc-getpw-c-stubs' into 'master'

headers/header_spec.txt

share/libc/__fc_builtin.c

share/libc/__fc_runtime.c

share/libc/pwd.c

share/libc/pwd.h

src/plugins/value/utils/library_functions.ml

tests/libc/fc_builtin_c.c

tests/libc/fc_libc.c

tests/libc/oracle/fc_builtin_c.res.oracle

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

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

tests/libc/oracle/pwd_c.res.oracle

tests/libc/oracle/pwd_h.res.oracle

tests/libc/pwd_c.c