[wip:20221204] run68: stand up *BSD guys!

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2045978..62c9dae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,17 +1,18 @@
 cmake_minimum_required(VERSION 3.13)
 option(USE_ICONV "Use iconv for converting Shift-JIS to UTF-8." ON)

+project(run68 C)
+
 #add_definitions(-DFNC_TRACE -DENV_FROM_INI)
 add_definitions(-DENV_FROM_INI)

 if(USE_ICONV)
+    find_package(Iconv REQUIRED)
     add_definitions(-DUSE_ICONV)
 else()
 endif()


-project(run68 C)
-
 if (EMSCRIPTEN)
 set(CMAKE_EXE_LINKER_FLAGS "--embed-file ./fs@ -sFORCE_FILESYSTEM")
 endif()
@@ -58,10 +59,8 @@ add_executable(run68 ${SRC})
 set(LIBS m) # math lib

 if(USE_ICONV)
-
-  if(APPLE)
-    set(LIBS ${LIBS} "iconv")
-  endif()
+  include_directories(${Iconv_INCLUDE_DIRS})
+  set(LIBS ${LIBS} ${Iconv_LIBRARIES})
 endif()

 target_link_libraries(run68 PUBLIC ${LIBS})
diff --git a/src/doscall.c b/src/doscall.c
index dc94f98..3c1c8e5 100644
--- a/src/doscall.c
+++ b/src/doscall.c
@@ -70,9 +70,6 @@
   #include <dos.h>
   #include <direct.h>
   #include <io.h>
-#elif defined(__APPLE__) || defined(__EMSCRIPTEN__)
-  #include <time.h>
-  #include <dirent.h>
 #else
   #include <time.h>
   #include <dirent.h>
@@ -136,7 +133,7 @@ static Long gets2( char *, int );

 Long Getenv_common(const char *name_p, char *buf_p);

-#if defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__)
+#if defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__)
 void CloseHandle( FILE* fp ) {
 	fclose( fp );
 }
@@ -368,7 +365,7 @@ int dos_call( UChar code )
 #elif defined(DOSX)
 		_dos_write( fileno(finfo[ 1 ].fh), data_ptr,
 					(unsigned)len, &drv );
-#elif defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__)
+#elif defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__)
 //		_dos_write( fileno(finfo[ 1 ].fh), data_ptr, (unsigned)len, &drv );
 #if defined (USE_ICONV)
 	{
@@ -1573,7 +1570,7 @@ static Long Create( char *p, short atr )
 	int    len;


-#if defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__)
+#if defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__)
 	char* name = p;
 	int namelen = strlen(name);
 	for (int i=0;i<namelen;++i) {
@@ -1719,7 +1716,7 @@ static Long Open( char *p, short mode )
 	Long ret;
 	Long i;

-#if defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__)
+#if defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__)
 	char* name = p;
 	int namelen = strlen(name);
 	for (int i=0;i<namelen;++i) {
@@ -1985,15 +1982,10 @@ static Long Write( short hdl, Long buf, Long len )
 	}
 	if (finfo [ hdl ].fh == stdout)
 	  fflush( stdout );
-#elif defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__)
-	write_len = fwrite( write_buf, 1, len, finfo [ hdl ].fh );
-	if (finfo [ hdl ].fh == stdout)
-	  fflush( stdout );
 #else
 	write_len = fwrite( write_buf, 1, len, finfo [ hdl ].fh );
 	if (finfo [ hdl ].fh == stdout)
 	  fflush( stdout );
-//	#error NOTIMPLEMENTED
 #endif

 	return( write_len );
@@ -2553,8 +2545,6 @@ static Long Nfiles( Long buf )
 	strncpy(&buf_ptr[30], f_data.cFileName, 22);
 	buf_ptr[30+22] = 0;

-#elif defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__)
-	printf("DOSCALL NFILES:not defined yet %s %d\n", __FILE__, __LINE__ );
 #else
 	printf("DOSCALL NFILES:not defined yet %s %d\n", __FILE__, __LINE__ );
 #endif
@@ -2567,7 +2557,7 @@ static Long Nfiles( Long buf )
  */
 static Long Filedate( short hdl, Long dt )
 {
-#if defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__)
+#if defined(__APPLE__) || defined(__linux__) || defined(__EMSCRIPTEN__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__)
 	printf("DOSCALL FILEDATE:not defined yet %s %d\n", __FILE__, __LINE__ );
 #else
 #if defined(WIN32)
diff --git a/src/iocscall.c b/src/iocscall.c
index 7da92b6..f296d42 100644
--- a/src/iocscall.c
+++ b/src/iocscall.c
@@ -26,8 +26,7 @@
   #include <windows.h>
 #elif defined(DOSX)
   #include <dos.h>
-#elif defined(__APPLE__)
-#else
+#elif defined(__linux__)
   #include <sys/sysinfo.h>
 #endif

@@ -177,11 +176,11 @@ int iocs_call()
 			ul = time( NULL );
 			rd [ 0 ] = (ul % (60 * 60 * 24)) * 100;
 			rd [ 1 ] = ((ul / (60 * 60 * 24)) & 0xFFFF);
-#elif defined(__APPLE__) || defined(__EMSCRIPTEN__)
+#elif !defined(__linux__)
 			ul = time( NULL );
 			rd [ 0 ] = (ul % (60 * 60 * 24)) * 100;
 			rd [ 1 ] = ((ul / (60 * 60 * 24)) & 0xFFFF);
-#else
+#else //__linux__
             {
 				struct sysinfo info;
 				sysinfo(&info);