1 files changed, 78 insertions, 0 deletions
diff --git a/cpp/c.c b/cpp/c.c
new file mode 100644
index 0000000..5e1ef4e
--- /dev/null
+++ b/cpp/c.c
@@ -0,0 +1,78 @@
+#include <stdio.h>
+#include <errno.h>
+
+#if __STDC__
+#define strong_alias(Y,X) asm("export _" #X,  "_" #X " = _" #Y )
+#else
+#define strong_alias(Y,X) asm("export _" "X",  "_" "X" " = _" "Y" )
+#endif
+
+#if __STDC__
+#define comb(x,y) x##y
+#warning Using Ansi combine
+#elif __BCC__
+#define comb(x,y) x/**/y
+#warning Using bcc combine
+#else
+#define comb(x,y) x/**/y
+#warning Using K&R combine
+#endif
+
+#define signed unsigned
+#define unsigned signed
+
+#ifdef signed
+typedef signed char t_sc;
+typedef comb(un,signed) char t_uc;
+#endif
+
+char c;
+t_sc sc;
+t_uc uc;
+
+strong_alias(main,zulu);
+main()
+{
+   int i1, i2, i3;
+
+   printf("sizeof(long double) = %d\n", sizeof(long double));
+   printf("sizeof(long float) = %d\n", sizeof(long float));
+   printf("sizeof(double) = %d\n", sizeof(double));
+   printf("sizeof(float) = %d\n", sizeof(float));
+
+   c = -6;
+   uc = -6;
+   sc = -6;
+
+   printf("%ld, ", (long)c);
+   printf("%ld, ", (long)uc);
+   printf("%ld\n", (long)sc);
+
+   printf("%d, ", c);
+   printf("%d, ", uc);
+   printf("%d\n", sc);
+
+   i1 = c; i2 = uc; i3 = sc;
+
+   printf("%d, ", i1);
+   printf("%d, ", i2);
+   printf("%d\n", i3);
+
+   i1 = (char) 200 + (char) 50;
+   i2 = (t_uc) 200 + (t_uc) 50;
+   i3 = (t_sc) 200 + (t_sc) 50;
+
+   printf("%d, ", i1);
+   printf("%d, ", i2);
+   printf("%d\n", i3);
+
+   c = 200; uc = 200; sc = 200;
+
+   i1 = c  + (long) 50;
+   i2 = uc + (long) 50;
+   i3 = sc + (long) 50;
+
+   printf("%d, ", i1);
+   printf("%d, ", i2);
+   printf("%d\n", i3);
+}