#include <u.h>#include <mingwutil.h>#include <mingw32.h>#include <libc.h>#include <thread.h> #include "util.h" #if 0staticRune**runeargv(char *argv[]){	Rune **v;	char **p, *dp;	long	ds, s;	int i, n; 	n = 0;	for (p=argv; *p!=nil; p++)		++n; 	v = malloc(sizeof(Rune*)*(n+1));	if (v==nil)		return nil; 	ds = 0;	dp = nil;	for (i=0; i<n; i++) {		s = strlen(argv[i])+1;		if (2*s>ds) {			ds = 2*s + 10;			dp = realloc(dp, ds);		}		winargdblquote(dp, argv[i]);		v[i] = runesmprint("%s", dp);	}	v[i] = nil;	free(dp);	return v;}_CRTIMP int	__cdecl	_wexecve(Rune*, Rune*[], Rune*[]);#endif intwinexecve(char *prog, char *argv[], char *env[]){	Waitmsg *w;	int pid;	int fd[3]; 	fd[0] = dup(0, -1);	fd[1] = dup(1, -1);	fd[2] = dup(2, -1); 	pid = winspawne(fd, prog, argv, env, 1);	if (pid<0) {		close(fd[0]);		close(fd[1]);		close(fd[2]);		return -1;	} else {		w = waitfor(pid);//		fprint(2, "SCHNONK %s\n", prog);		if (w==nil)			threadexitsall("waitfor");		threadexitsall(w->msg);	} 	return 0;}intexec(char *prog, char *argv[]){	extern char **environ; 	return winexecve(prog, argv, environ);}