don't need string.h - comes from ngspice.h

src/main.c

@@ -21,10 +21,6 @@ extern long int random (void);
 extern void srandom (unsigned int seed);
 #endif
 
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif /* HAVE_STRING_H */
-
 #include <setjmp.h>
 #include <signal.h>
 #include <sys/types.h>

src/misc/mktemp.c

@@ -9,16 +9,12 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
  */
 
 #include "ngspice.h"
-#include <stdio.h>
 #include "mktemp.h"
 
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
 
 #ifndef TEMPFORMAT
 #define TEMPFORMAT "temp%s%d"

src/misc/string.c

@@ -6,13 +6,6 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
  * String functions
  */
 
-#include <config.h>
-#include <stdio.h>
-
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-
 #include "ngspice.h"
 #include "stringutil.h"
 

src/tclspice.c

@@ -27,7 +27,7 @@
 /*              Header files for C functions                          */
 /**********************************************************************/
 
-#include <ngspice.h>
+#include "ngspice.h"
 #include <tcl.h>
 
 /*Use Tcl threads if on W32 without pthreads*/
@@ -60,9 +60,6 @@ typedef pthread_t threadId_t;
 
 /* Copied from main.c in ngspice*/
 #include <stdio.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif /* HAVE_STRING_H */
 #if defined(__MINGW32__)
     #include <stdarg.h>
     /* remove type incompatibility with winnt.h*/