https://git.alpinelinux.org/aports/plain/main/pcmciautils/unsigned.patch
https://bugs.gentoo.org/716120
--- a/src/read-cis.c
+++ b/src/read-cis.c
@@ -51,7 +51,7 @@
 		/* Get indirect link from the MFC tuple */
 		read_cis(tuple->Flags.link_space,
 			       tuple->LinkOffset, 5, link);
-		ofs = *(u_int *)(link+1);
+		ofs = *(unsigned int *)(link+1);
 		tuple->Flags.space = (link[0] == CISTPL_MFC_ATTR);
 		/* Move to the next indirect link */
 		tuple->LinkOffset += 5;
--- a/src/yacc_config.y
+++ b/src/yacc_config.y
@@ -40,7 +40,7 @@
 
 %union {
     char *str;
-    u_long num;
+    unsigned long num;
     struct adjust_list_t *adjust;
 }