major minor

Author: wenjun1055

4.10.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#ifdef SOLARIS
+#include <sys/mkdev.h>
+#endif
+
+int main(int argc, char **argv)
+{
+    int i;
+    struct stat buf;
+
+    for (i = 1; i < argc; i++) {
+        printf("%s : ", *(argv + i));
+        if (stat(*(argv + i), &buf) < 0) {
+            printf("stat error\n");
+            continue;
+        }
+
+        printf("dev = %d/%d", major(buf.st_dev), minor(buf.st_dev));
+        if (S_ISCHR(buf.st_mode) || S_ISBLK(buf.st_mode)) {
+            printf(" (%s) rdev = %d/%d", (S_ISCHR(buf.st_mode)) ? "character" : "block", major(buf.st_dev), minor(buf.st_dev));
+        }
+        printf("\n");
+    }
+
+    return 0;
+}