mingw-w64-crt/misc/execvp.c - mingw-w64 - Git at Google

 #include <process.h>

 int __cdecl execvp(const char *_Filename,char *const _ArgList[])
 {
   return _execvp (_Filename, (const char *const *)_ArgList);
 }
	#include <process.h>

	int __cdecl execvp(const char _Filename,char const _ArgList[])
	{
	return _execvp (_Filename, (const char const )_ArgList);
	}