Index: include/stdio.h
===================================================================
--- include/stdio.h
+++ include/stdio.h
@@ -232,6 +232,13 @@
 #define	stdout	__stdoutp
 #define	stderr	__stderrp
 
+/* fparseln(3) */
+#define	FPARSELN_UNESCESC	0x01
+#define	FPARSELN_UNESCCONT	0x02
+#define	FPARSELN_UNESCCOMM	0x04
+#define	FPARSELN_UNESCREST	0x08
+#define	FPARSELN_UNESCALL	0x0f
+
 __BEGIN_DECLS
 #ifdef _XLOCALE_H_
 #include <xlocale/_stdio.h>
@@ -248,6 +255,8 @@
 int	 fgetpos(FILE * __restrict, fpos_t * __restrict);
 char	*fgets(char * __restrict, int, FILE * __restrict);
 FILE	*fopen(const char * __restrict, const char * __restrict);
+char	*fparseln(FILE *_fp, size_t *_len, size_t *_lineno,
+	    const char _delim[3], int _flags);
 int	 fprintf(FILE * __restrict, const char * __restrict, ...);
 int	 fputc(int, FILE *);
 int	 fputs(const char * __restrict, FILE * __restrict);