old c,cc examples

1 files changed, 43 insertions, 0 deletions

diff --git a/c,cc/ctype.c b/c,cc/ctype.c
new file mode 100644
index 0000000..0331566
--- /dev/null
+++ b/c,cc/ctype.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+
+
+int main(void)
+{
+  char *a="abc";
+  char *x="xyz";
+  char *b="abc";
+  char *y="Xyz";
+
+  int r;
+
+  if(isupper(y[0]))
+  {
+    printf("%c\n",y[0]);
+  }
+
+  if(r=(!strcmp(a,b)))
+  {
+    printf("%d\n",r);
+  }
+
+  printf("%c\n",*x);
+
+  if(r=(!strcmp(a,x)))
+  {
+    printf("%d\n",r);
+  }
+
+  char bla[4]="aAc";
+
+  for( unsigned int i = 0; i < 4; i += 1 )
+  {
+    if(isupper(bla[i])) {
+      printf("%c\n",bla[i]);
+    }
+  }
+
+  return 0;
+}
+