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#include <u.h>
#include <libc.h>
Waitmsg*
system(char *name, char **argv)
{
char err[ERRMAX];
Waitmsg *w;
int pid;
switch(pid = fork()){ /* assign = */
case -1:
return nil;
case 0:
exec(name, argv);
errstr(err, sizeof err);
_exits(err);
}
for(;;){
w = wait();
if(w == nil)
break;
if(w->pid == pid)
return w;
free(w);
}
return nil;
}
Waitmsg*
systeml(char *name, ...)
{
return system(name, &name+1);
}
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