nga-c new: same source now compiles under tcc/windows

FossilOrigin-Name: 37163ab1415b4fbffcaa59856eddef51d88a31893247bdbb139c3f53be78fdab

RELEASE-NOTES

@@ -22,7 +22,7 @@
   - added a decimal device (alt. to floating point w/higher precision)
   - better fix for nested file inclusion handling
   - start adding pythonista ui support (iOS)
-  - now runs under Python 2
+  - now runs under Python 2 again
 
 - nga-c
 
@@ -50,4 +50,4 @@
 - epub now has a cover image
 - added back some missing files
 - add note on enabling sockets when building on Unix
-
+- fixed typos in the glossary

nga-c/nga.c

@@ -20,9 +20,7 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <sys/wait.h>
 #include <time.h>
-#include <unistd.h>
 
 #ifdef ENABLE_FLOATS
 #include <math.h>
@@ -35,6 +33,19 @@
 #include <sys/socket.h>
 #endif
 
+#ifdef ENABLE_UNIX
+#include <sys/wait.h>
+#include <unistd.h>
+#endif
+
+#ifdef _WIN32
+#define NEEDS_STRL
+#endif
+
+#ifdef _WIN64
+#define NEEDS_STRL
+#endif
+
 /* Configuration ----------------------------------------------------- */
 #define CELL int32_t
 #define CELL_MIN INT_MIN + 1