Typedefs starting with `r' in quake2

• redirect_t 321/server/server.h:242
• refexport_t 321/client/ref.h:186
• refimport_t 321/client/ref.h:222
• Reply 321/rhapsody/snd_next.m:230
• Request 321/rhapsody/snd_next.m:218
• rhapMode_t 321/rhapsody/swimp_rhap.m:22
• rserr_t 321/ref_soft/r_local.h:103