C fn definitions on Linux

vlib/builtin/cfns.v

@@ -85,6 +85,8 @@ fn C.DEFAULT_LT() bool
 fn C.DEFAULT_GE() bool
 fn C.isatty() int
 
+fn C.syscall() int
+
 
 
 

vlib/clipboard/clipboard_linux.v

@@ -15,6 +15,7 @@ import (
 struct C.Display
 struct C.Atom
 struct C.Window
+fn C.XFree()
 fn C.XInitThreads() int
 fn C.XCloseDisplay(d &Display)
 fn C.XFlush(d &Display)

vlib/os/os.v

@@ -752,12 +752,15 @@ fn on_segfault(f voidptr) {
 
 fn C.getpid() int
 fn C.proc_pidpath (int, byteptr, int) int
+fn C.readlink() int
 
-// executable return the path name of the executable that started the current process.
+
+// executable returns the path name of the executable that started the current
+// process.
 pub fn executable() string {
 	$if linux {
 		mut result := malloc(MAX_PATH)
-		count := int(C.readlink('/proc/self/exe', result, MAX_PATH ))
+		count := C.readlink('/proc/self/exe', result, MAX_PATH)
 		if count < 0 {
 			panic('error reading /proc/self/exe to get exe path')
 		}

vlib/readline/readline_linux.v

@@ -34,10 +34,15 @@ enum Action {
   suspend
 }
 
+fn C.tcgetattr() int
+fn C.tcsetattr() int
+fn C.ioctl() int
+fn C.raise()
+
 // Toggle raw mode of the terminal by changing its attributes
 // Catches SIGUSER (CTRL+C) Signal to reset tty
 fn (r mut Readline) enable_raw_mode() {
-  if ( C.tcgetattr(0, &r.orig_termios) == -1 ) {
+  if C.tcgetattr(0, &r.orig_termios) == -1 {
     r.is_tty = false
     r.is_raw = false
     return