draft print 0x41

Author: h908714124

draft/Makefile

@@ -1,11 +1,12 @@
+CFLAGS += -D_GNU_SOURCE
 CFLAGS += -Wall
 CFLAGS += -pedantic-errors
 
 draft: draft.c
 	$(CC) $(CFLAGS) -fno-omit-frame-pointer -g -o draft $^
 
 barf: draft.c
-	$(CC) $(CFLAGS) -fno-omit-frame-pointer -S $^ | tee draft.s
+	$(CC) $(CFLAGS) -fno-omit-frame-pointer -S $^ -o draft.s
 
 debug: barf
 	$(CC) -o draft draft.s -g

draft/draft.c

@@ -2,12 +2,21 @@
 #include <sys/stat.h>
 #include <stddef.h>
 #include <stdlib.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/types.h>
 
 int fh = 0;
+int i = 0;
 
 int main(int argc, char *argv[])
 {
-	fh = 3;
-	printf("%d\n", fh);
+	char out[5];
+	out[i++] = '0';
+	out[i++] = 'x';
+	out[i++] = '4';
+	out[i++] = '1';
+	out[i++] = '\n';
+	syscall(__NR_write, 1, out, 5);
 	return 0;
 }