--- Libc/Libc-763.13/stdio/FreeBSD/fgets.c
+++ Libc/Libc-1669.40.2/stdio/FreeBSD/fgets.c
@@ -42,6 +42,7 @@
 #include "un-namespace.h"
 #include "local.h"
 #include "libc_private.h"
+#include "libc_hooks_impl.h"
 
 /*
  * Read at most n-1 characters from the given file.
@@ -49,10 +50,7 @@
  * Return first argument, or NULL if no characters were read.
  */
 char *
-fgets(buf, n, fp)
-	char *buf;
-	int n;
-	FILE *fp;
+fgets(char *buf, int n, FILE *fp)
 {
 	size_t len;
 	char *s;
@@ -60,6 +58,9 @@
 
 	if (n <= 0)		/* sanity check */
 		return (NULL);
+
+	libc_hooks_will_write(buf, n);
+	libc_hooks_will_write(fp, sizeof(*fp));
 
 	FLOCKFILE(fp);
 	ORIENT(fp, -1);