X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/e74ca64c0ec65a93d2f133c4472256e3bbb688e2..141c12847a1c2f8cc8db03d420551584e689fb87:/math/genprimes.c

diff --git a/math/genprimes.c b/math/genprimes.c
index 8b47ac94..1ed7b4d1 100644
--- a/math/genprimes.c
+++ b/math/genprimes.c
@@ -35,6 +35,7 @@
 
 #include <mLib/darray.h>
 #include <mLib/dstr.h>
+#include <mLib/macros.h>
 #include <mLib/mdwopt.h>
 #include <mLib/quis.h>
 #include <mLib/report.h>
@@ -123,8 +124,8 @@ int main(int argc, char *argv[])
     if (!sym) {
       for (q = header; *q; q++) {
 	int ch = (unsigned char)*q;
-	if (isalnum(ch))
-	  ch = toupper(ch);
+	if (ISALNUM(ch))
+	  ch = TOUPPER(ch);
 	else
 	  ch = '_';
 	DPUTC(&d, ch);