Here is a list of all namespaces with brief descriptions:

[detail level 123]

Nstd	STL namespace
Nuhd
Nbuild_info
Nusrp
Ncal
Ngpio_atr
Nhbx
Nzbx
Nconvert
Nexperts
Nextension
Nfeatures
Nrfnoc
Nchdr
Ndetail
Ndram
Ntest
Nrf_control
Ntransport
Nvrt
Nusrp_clock
Ncast
Ndetail	Template implementations for uhd::cast::to_str() for common types
Nutils
Nchdr
Ncsv
Nmath
Nfp_compare
Nlog
Nsoft_reg_field
Nstring