2 files changed, 33 insertions, 3 deletions
diff --git a/SDKs/darwin/usr/include/stdio.h b/SDKs/darwin/usr/include/stdio.h
index 3b560369f326f..63b10a86b6327 100644
--- a/SDKs/darwin/usr/include/stdio.h
+++ b/SDKs/darwin/usr/include/stdio.h
@@ -17,6 +17,10 @@
 #ifndef __STDIO_H__
 #define __STDIO_H__
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 typedef struct __sFILE FILE;
 typedef __SIZE_TYPE__ size_t;
 
@@ -51,11 +55,30 @@ typedef __SIZE_TYPE__ size_t;
 #    define stderr __stderrp
 extern FILE *__stderrp;
 
+#ifndef SEEK_SET
+#define	SEEK_SET	0	/* set file offset to offset */
+#endif
+#ifndef SEEK_CUR
+#define	SEEK_CUR	1	/* set file offset to current plus offset */
+#endif
+#ifndef SEEK_END
+#define	SEEK_END	2	/* set file offset to EOF plus offset */
+#endif
+
 int fclose(FILE *);
 int fflush(FILE *);
-FILE *fopen(const char * restrict, const char * restrict) __asm(__FOPEN_NAME);
-int fprintf(FILE * restrict, const char * restrict, ...);
-size_t fwrite(const void * restrict, size_t, size_t, FILE * restrict)
+FILE *fopen(const char * __restrict, const char * __restrict) __asm(__FOPEN_NAME);
+int fprintf(FILE * __restrict, const char * __restrict, ...);
+size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict)
   __asm(__FWRITE_NAME);
+size_t fread(void * __restrict, size_t, size_t, FILE * __restrict);
+long ftell(FILE *);
+int fseek(FILE *, long, int);
+
+int snprintf(char * __restrict, size_t, const char * __restrict, ...);
+
+#if defined(__cplusplus)
+}
+#endif
 
 #endif /* __STDIO_H__ */
diff --git a/SDKs/linux/usr/include/stdio.h b/SDKs/linux/usr/include/stdio.h
index ddfe75548793c..7c258d2aca174 100644
--- a/SDKs/linux/usr/include/stdio.h
+++ b/SDKs/linux/usr/include/stdio.h
@@ -26,10 +26,17 @@ extern struct _IO_FILE *stdin;
 extern struct _IO_FILE *stdout;
 extern struct _IO_FILE *stderr;
 
+#define	SEEK_SET	0	/* set file offset to offset */
+#define	SEEK_CUR	1	/* set file offset to current plus offset */
+#define	SEEK_END	2	/* set file offset to EOF plus offset */
+
 extern int fclose(FILE *);
 extern int fflush(FILE *);
 extern FILE *fopen(const char * restrict, const char * restrict);
 extern int fprintf(FILE * restrict, const char * restrict, ...);
 extern size_t fwrite(const void * restrict, size_t, size_t, FILE * restrict);
+extern size_t fread(void * restrict, size_t, size_t, FILE * restrict);
+extern long ftell(FILE *);
+extern int fseek(FILE *, long, int);
 
 #endif /* __STDIO_H__ */