igmp_tmr() function
The igmp timer function (both for NO_SYS=1 and =0) Should be called every IGMP_TMR_INTERVAL milliseconds (100 ms is default).
igmp_tmr() is called by 1 function and calls 3 functions:
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igmp_tmr()
igmp_tmr() reads 7 variables and writes 2 variables:
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igmp_tmr()