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#include <stdarg.h>
#include <stddef.h>
#include <unistd.h>
int execl(const char *path, const char *argv0, ...)
{
int argc;
va_list ap;
va_start(ap, argv0);
argc = 1;
while (va_arg(ap, const char *) != NULL) {
argc++;
}
va_end(ap);
char *argv[argc + 1];
va_start(ap, argv0);
for (int i = 1; i < argc; i++) {
argv[i] = (char *)va_arg(ap, const char *);
}
argv[argc] = NULL;
va_end(ap);
return execvp(path, argv);
}
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