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--- a/src/cosmo.c
+++ b/src/cosmo.c
@@ -39,6 +39,11 @@
#include "cosmo.h"
#include "lf.h"
+char gstr[MAXCHAR];
+int bswapflag;
+
+double H, H0, OmegaM, OmegaL, deltaMH;
+
/******************************** cosmo_dconf ********************************/
/*
Conformal distance. Numerical integration along geodesic, allowing for a
--- a/src/cosmo.h
+++ b/src/cosmo.h
@@ -38,7 +38,7 @@
/*------------------------------ global variables ---------------------------*/
-double H, H0, OmegaM, OmegaL, deltaMH;
+extern double H, H0, OmegaM, OmegaL, deltaMH;
/*-------------------------------- protos -----------------------------------*/
--- a/src/globals.h
+++ b/src/globals.h
@@ -29,8 +29,8 @@
#include "types.h"
/*----------------------- miscellaneous variables ---------------------------*/
-char gstr[MAXCHAR];
-int bswapflag;
+extern char gstr[MAXCHAR];
+extern int bswapflag;
/*------------------------------- functions ---------------------------------*/
extern void error(int, char *, char *),
--- a/src/prefs.c
+++ b/src/prefs.c
@@ -53,6 +53,8 @@
#include "prefs.h"
#include "preflist.h"
+prefstruct prefs;
+
/********************************* dumpprefs ********************************/
/*
Print the default preference parameters.
--- a/src/prefs.h
+++ b/src/prefs.h
@@ -136,7 +136,7 @@
double time_diff; /* Execution time */
} prefstruct;
-prefstruct prefs;
+extern prefstruct prefs;
/*----------------------------- Internal constants --------------------------*/
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