usr.bin/perl/reentr.h

725         struct protoent_data	_protoent_data;
948 #        define endprotoent() (endprotoent_r(&PL_reentrant_buffer->_protoent_data) == 0 ? 1 : 0)
951 #        define endprotoent() endprotoent_r(&PL_reentrant_buffer->_protoent_data)
1273 #        define getprotobyname(a) (REENTR_MEMZERO(&PL_reentrant_buffer->_protoent_data, sizeof(PL_reentrant_buffer->_protoent_data)),(PL_reentrant_retint = getprotobyname_r(a, &PL_reentrant_buffer->_protoent_struct, &PL_reentrant_buffer->_protoent_data)) == 0 ? &PL_reentrant_buffer->_protoent_struct : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotobyname", a) : 0))
1292 #        define getprotobynumber(a) (REENTR_MEMZERO(&PL_reentrant_buffer->_protoent_data, sizeof(PL_reentrant_buffer->_protoent_data)),(PL_reentrant_retint = getprotobynumber_r(a, &PL_reentrant_buffer->_protoent_struct, &PL_reentrant_buffer->_protoent_data)) == 0 ? &PL_reentrant_buffer->_protoent_struct : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotobynumber", a) : 0))
1314 #        define getprotoent() (REENTR_MEMZERO(&PL_reentrant_buffer->_protoent_data, sizeof(PL_reentrant_buffer->_protoent_data)),(PL_reentrant_retint = getprotoent_r(&PL_reentrant_buffer->_protoent_struct, &PL_reentrant_buffer->_protoent_data)) == 0 ? &PL_reentrant_buffer->_protoent_struct : ((PL_reentrant_retint == ERANGE) ? (struct protoent *) Perl_reentrant_retry("getprotoent") : 0))
1594 #        define setprotoent(a) (setprotoent_r(a, &PL_reentrant_buffer->_protoent_data) == 0 ? 1 : 0)
1597 #        define setprotoent(a) setprotoent_r(a, &PL_reentrant_buffer->_protoent_data)