m4_define(`hm_arg_socktype', `
Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");')
m4_define(`hm_arg_addrfam', `
m4_define(`hm_arg_socktype', `
Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");')
m4_define(`hm_arg_addrfam', `