fusl/src/linux/vhangup.c - mojo-tools - Git at Google

 #define _GNU_SOURCE
 #include <unistd.h>
 #include "syscall.h"

 int vhangup(void) {
   return syscall(SYS_vhangup);
 }
	#define _GNU_SOURCE
	#include <unistd.h>
	#include "syscall.h"

	int vhangup(void) {
	return syscall(SYS_vhangup);
	}