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#include <stdarg.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
int execl( const char *path,...) {
va_list ap;
int n,i;
char **argv,*tmp;
va_start(ap, path);
n=1;
while ((tmp=va_arg(ap,char *)))
++n;
va_end (ap);
if ((argv=(char **)alloca(n*sizeof(char*)))) {
va_start(ap, path);
for (i=0; i<n; ++i)
argv[i]=va_arg(ap,char *);
va_end (ap);
return execve(path,argv,environ);
}
__set_errno(ENOMEM);
return -1;
}
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