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#include <stdarg.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
#include "dietfeatures.h"
int execlp(const char* file, const char *arg,...) {
va_list ap,bak;
int n,i;
char **argv,*tmp;
va_start(ap, arg);
va_copy(bak,ap);
n=2;
while ((tmp=va_arg(ap,char *)))
++n;
va_end (ap);
if ((argv=(char **)alloca(n*sizeof(char*)))) {
argv[0]=(char*)arg;
for (i=0; i<n; ++i)
argv[i+1]=va_arg(bak,char *);
va_end (bak);
return execvp(file,argv);
}
errno=ENOMEM;
return -1;
}
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