Build variadic functions as part of relibc

include/bits/fcntl.h

@@ -1,22 +1,7 @@
 #ifndef _BITS_FCNTL_H
 #define _BITS_FCNTL_H
 
-int open(const char* filename, int flags, ...) {
-    mode_t mode = 0;
-    va_list ap;
-    va_start(ap, flags);
-    mode = va_arg(ap, mode_t);
-    va_end(ap);
-    return sys_open(filename, flags, mode);
-}
-
-int fcntl(int fildes, int cmd, ...) {
-    int args = 0;
-    va_list ap;
-    va_start(ap, cmd);
-    args = va_arg(ap, int);
-    va_end(ap);
-    return sys_fcntl(fildes, cmd, args);
-}
+int open(const char* filename, int flags, ...);
+int fcntl(int fildes, int cmd, ...);
 
 #endif

include/bits/stdio.h

@@ -1,40 +1,9 @@
 #ifndef _BITS_STDIO_H
 #define _BITS_STDIO_H
 
-int fprintf(FILE * stream, const char * fmt, ...) {
-    int ret;
-    va_list ap;
-    va_start(ap, fmt);
-    ret = vfprintf(stream, fmt, ap);
-    va_end(ap);
-    return ret;
-}
-
-int printf(const char * fmt, ...) {
-    int ret;
-    va_list ap;
-    va_start(ap, fmt);
-    ret = vprintf(fmt, ap);
-    va_end(ap);
-    return ret;
-}
-
-int snprintf(char *s, size_t n, const char * fmt, ...) {
-    int ret;
-    va_list ap;
-    va_start(ap, fmt);
-    ret = vsnprintf(s, n, fmt, ap);
-    va_end(ap);
-    return ret;
-}
-
-int sprintf(char *s, const char * fmt, ...) {
-    int ret;
-    va_list ap;
-    va_start(ap, fmt);
-    ret = vsprintf(s, fmt, ap);
-    va_end(ap);
-    return ret;
-}
+int fprintf(FILE * stream, const char * fmt, ...);
+int printf(const char * fmt, ...);
+int snprintf(char *s, size_t n, const char * fmt, ...);
+int sprintf(char *s, const char * fmt, ...);
 
 #endif /* _BITS_STDIO_H */

include/bits/string.h

@@ -1,9 +1,9 @@
-#ifndef _BITS_STDIO_H
-#define _BITS_STDIO_H
+#ifndef _BITS_STRING_H
+#define _BITS_STRING_H
 
 int memcmp(const void *s1, const void *s2, size_t n);
 void *memcpy(void *dest, const void *src, size_t n);
 void *memmove(void *dest, const void *src, size_t n);
 void *memset(void *s, int c, size_t n);
 
-#endif /* _BITS_STDIO_H */
+#endif /* _BITS_STRING_H */