lib/, src/: str2*(): Rename functions and reorder parameters

This makes them compatible with liba2i's functions.

Signed-off-by: Alejandro Colomar <alx@kernel.org>

lib/subordinateio.c

@@ -108,9 +108,9 @@ subordinate_parse(const char *line)
 	if (i != SUBID_NFIELDS || *fields[0] == '\0' || *fields[1] == '\0' || *fields[2] == '\0')
 		return NULL;
 	range.owner = fields[0];
-	if (getulong(fields[1], &range.start) == -1)
+	if (str2ul(&range.start, fields[1]) == -1)
 		return NULL;
-	if (getulong(fields[2], &range.count) == -1)
+	if (str2ul(&range.count, fields[2]) == -1)
 		return NULL;
 
 	return ⦥