source: vendor/python/2.5/PC/generrmap.c

#include <stdio.h>
#include <errno.h>

/* Extract the mapping of Win32 error codes to errno */

int main()
{
        int i;
        printf("/* Generated file. Do not edit. */\n");
        printf("int winerror_to_errno(int winerror)\n");
        printf("{\n\tswitch(winerror) {\n");
        for(i=1; i < 65000; i++) {
                _dosmaperr(i);
                if (errno == EINVAL)
                        continue;
                printf("\t\tcase %d: return %d;\n", i, errno);
        }
        printf("\t\tdefault: return EINVAL;\n");
        printf("\t}\n}\n");
}