Typedefs starting with `p' in bsd/netat/h

• pat_unit_t bsd/netat/h/at_pat.h:100
• ProcHandle bsd/netat/h/ADSP.h:48
• proto_reg_t bsd/netat/h/at_ddp.h:99
• Ptr bsd/netat/h/ADSP.h:49