there is no such GNU function fpurge, only __fpurge.

no idea where I got the idea fpurge should exist...

diff --git a/include/stdio.h b/include/stdio.h
index a2dc674bb368a510ff34655a7c0d9c2aafe2eb1d..fa1b4e9ba22f5e006c366ecad396d50c8e10bc0a 100644 (file)
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -159,7 +159,6 @@ char *tempnam(const char *, const char *);
 char *cuserid(char *);
 void setlinebuf(FILE *);
 void setbuffer(FILE *, char *, size_t);
-int fpurge(FILE *);
 int fgetc_unlocked(FILE *);
 int fputc_unlocked(int, FILE *);
 int fflush_unlocked(FILE *);