-BEGIN {

-    count = 0

-}

-

-# Find anything that matches '#define Efoo value'

-/^#define[ \t]+(E[A-Z0-9]+)[ \t]+([A-Z0-9]+).*$/ {

-    found = 0

-    # Search to see if the current key, $2, is already in the table.

-    # If so, we mark it as something to skip.  This happens on Darwin

-    # where EOPNTOSUPP is seen twice.  We want the second entry.

-    for (key in errno) {

-	if (errno[key] == $2) {

-	    printf ";; Ignoring dup of %s: old value %s, new value %s\n", $2, value[key], $3;

-	    found = 1;

-	    skip[key] = 1;

-	    break;

-       }

-    }

-    errno[count] = $2;

-    value[count] = $3;

-    ++count;

-}

-

-END {

-    for (k = 0; k < count; ++k) {

-	printf "%s(def-unix-error %s %s)\n",

-	    (skip[k] != 1) ? "": ";; ", errno[k], value[k];

-    }

-}

-    #awk -f bin/create-def-unix-error.awk ${ERRNO_HEADERS}