magicutils.c: In function 'f_mkmtab':
magicutils.c:309:9: error: assignment makes integer from pointer without a cast [-Werror=int-conversion]
   *p2++ = NULL;
         ^
magicutils.c:323:9: error: assignment makes integer from pointer without a cast [-Werror=int-conversion]
   *p2++ = NULL;
         ^
magicutils.c:334:16: error: comparison between pointer and integer [-Werror]
     if (*(p+1) == NULL) {
                ^~
magicutils.c:337:23: error: comparison between pointer and integer [-Werror]
     } else if (*(p+2) == NULL) { /* d? */
                       ^~
magicutils.c:382:16: error: comparison between pointer and integer [-Werror]
     if (*(p+1) == NULL) {
                ^~
magicutils.c:385:23: error: comparison between pointer and integer [-Werror]
     } else if (*(p+2) == NULL) { /* u? */
                       ^~
magicutils.c:455:9: error: assignment makes integer from pointer without a cast [-Werror=int-conversion]
   *p2++ = NULL;
         ^