[RegCNET] What does "#" mean?

[Yan Libin]

Hi, Dear regcmers,

In following codes, c means commentary, can anyone tell me what does # mean?
Thank you in advance.

c  * for sea, sea-ice veg albedos are not set                        *
c  *               these albedos are not treated as arrays here      *
c  *                                                                 *
c  * (depuv/10.0)= the ratio of upper soil layer to total            *
c  *               root depth; used to compute "wet" for soil albedo *
c  *    solour        =  soil albedo for different coloured soils    *
c*********************************************************************
c
#ifdef MPP1
      include 'regcm.param2'
#else 
      include 'regcm.param'
#endif
      include 'parame'
      
      include 'Commons/param1.cb'
      include 'Commons/param3.cb'
#ifdef MPP1
      include 'Common2/main.cb'
      include 'Common2/cvaria.cb'
      include 'Common2/bats.cb2'

Best regards,
Libin Yan
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