Reading in serial data and using strcmp

jerseyguy1996:

AWOL:

 'GPRMC'

BZZZT

I tried:

if(!(strcmp(buffer, 'GPRMC') == 0 && data_index == false))

and got the error message:

invalid conversion from 'int' to 'const char*'

Yes, that's correct.
You can't convert an "int" to any kind of "char" pointer.