_krb5_context
struct _krb5_context;
typedef struct _krb5_context * krb5_context;
ctx = MALLOC(sizeof(struct _krb5_context));
(void) memset(ctx, 0, sizeof(struct _krb5_context));
FREE(ctx, sizeof(struct _krb5_context));
context = (krb5_context) MALLOC(sizeof(struct _krb5_context));
(void) memset(context, 0, sizeof(struct _krb5_context));