Typedefs starting with `p' in windoom

• patch_t src/r_defs.h:362
• pcx_t src/m_misc.c:624
• plat_e src/p_spec.h:269
• plat_t src/p_spec.h:300
• plattype_e src/p_spec.h:281
• player_t src/d_player.h:166
• point_t src/wi_stuff.c:128
• post_t src/r_defs.h:287
• powerduration_t src/doomdef.h:242
• powertype_t src/doomdef.h:226
• pspdef_t src/p_pspr.h:75