Fix implicit function declarations

--- libsrc/nc.c
+++ libsrc/nc.c
@@ -15,7 +15,7 @@
 #  include <mpp/shmem.h>
 #  include <intrinsics.h>
 #endif
-#ifdef HAVE_UNISTD
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 
--- fortran/fort-nc4.c
+++ fortran/fort-nc4.c
@@ -30,6 +30,14 @@
 /* These are in libsrc4/nc4vars.c... */
 int nc_inq_var_chunking_ints(int ncid, int varid, int *contiguousp, int *chunksizesp);
 int nc_def_var_chunking_ints(int ncid, int varid, int contiguous, int *chunksizes);
+int nc_set_var_chunk_cache_ints(int ncid, int varid, int size, int nelems, int preemption);
+int nc_get_var_chunk_cache_ints(int ncid, int varid, int *sizep, int *nelemsp, int *preemptionp);
+
+/* These are in libsrc4/nc4file.c... */
+int nc_set_chunk_cache_ints(int size, int nelems, int preemption);
+int nc_get_chunk_cache_ints(int *sizep, int *nelemsp, int *preemptionp);
+int nc_create_par_fortran(const char *path, int cmode, int comm, int info, int *ncidp);
+int nc_open_par_fortran(const char *path, int mode, int comm, int info, int *ncidp);
 
 FCALLSCFUN5(NF_INT, nc_create_par_fortran, NF_CREATE_PAR, nf_create_par,
 	    STRING, FINT2CINT, FINT2CINT, FINT2CINT, PCINT2FINT)
--- libncdap3/oc/daplex.c
+++ libncdap3/oc/daplex.c
@@ -86,6 +86,8 @@
 SCAN_PROG
 };
 
+int daperror(DAPparsestate* state, const char* msg);
+
 /**************************************************/
 
 int
--- libncdap3/oc/ocinternal.c
+++ libncdap3/oc/ocinternal.c
@@ -37,6 +37,8 @@
 #endif
 
 extern OCnode* makeunlimiteddimension(void);
+int occurlopen(CURL** curlp);
+void occurlclose(CURL* curl);
 
 #ifdef WIN32
 #include <fcntl.h>
--- libncdap3/oc/dapparse.c
+++ libncdap3/oc/dapparse.c
@@ -11,6 +11,7 @@
 static OCtype octypefor(Object etype);
 static char* scopeduplicates(OClist* list);
 static int check_int32(char* val, long* value);
+void setwordchars(DAPlexstate* lexstate, int kind);
 
 /****************************************************/
 
--- libncdap3/ncdap3.c
+++ libncdap3/ncdap3.c
@@ -4,6 +4,7 @@
  *   $Header: /var/cvsroot/gentoo-x86/sci-libs/netcdf/files/netcdf-4.1.1-implicits.patch,v 1.2 2010/12/05 11:38:45 xarthisius Exp $
  *********************************************************************/
 #include "config.h"
+#include "netcdf3.h"
 #include "ncdap3.h"
 #include "dispatch3.h"
 #include "dapdispatch3.h"
--- libncdap3/oc/dapparselex.h
+++ libncdap3/oc/dapparselex.h
@@ -88,4 +88,5 @@
 extern void daplexinit(char* input, DAPlexstate** lexstatep);
 extern void daplexcleanup(DAPlexstate** lexstatep);
 
+void dassetup(DAPparsestate* state);
 #endif /*DAPPARSELEX_H*/